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Y410 External Monitor Flicker w/ AC

Question: Y410 External Monitor Flicker w/ AC

External out using VGA and my Acer AL2216W shows flickering especially when there's movement on the screen (animation/video running). By flickering I mean thin lines running across the screen. Not thick enough to be a hindrance but very noticeable especially in videos.I originally thought it was the VGA out's fault. Turns out this only happens when I'm plugged into the AC. When I'm running off the battery there's no flicker. This happens no matter which wall outlet I use or surge protector.Changing power adapters with my room mate's didn't help either (he has the same model). Seems it's the power unit inside the laptop?

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Answer: Y410 External Monitor Flicker w/ AC

*Where's that edit button*...The problem occurs on my room mate's Y410 as well.I'm guessing it's due to improper shielding inside the laptop.Does anyone else have this problem? Is this something that Lenovo guarantees an easy fix for if I shipped it in aka is Lenovo aware of this problem? Reason I ask is because this is my sole computer (no desktop). So I will be without a computer if I get this RMAed.

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hi,

Im having a problem when i connect my laptop with external display.
My laptop is HP tx2(12" display) with windows vista sp2 and my external display is an LCD tv of Onida(Xaria 22")

When i connect my laptop to the LCD tv, the connection is ok... display comes properly....resolution is also good...
but after some time of using it(either watching videos or even normal browsing) the display flickers and then gets diconnected(with the disconnection sound or tone) and automatically gets connected again.
sometimes after auto re-connection the resolution also gets changed....this is really annoying..

Iv used the help section... they asked me to increase the flicker rate to atleast 75 but my laptop has a max freq of 60hz only. iv also applied max resolution to the screen...but the same thing always happens again..
then i also connected the same lcd tv to my another laptop(hp dv6000, 15.4", vista sp2) and the same problem never comes. even the flicker rate of that laptop is max 60 hz. both have same resolutions also

iv tried all that i cud.... advise please.....

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Hi, I own a W510 updated with the latest lenovo drivers. The problem I have is that when I use an external monitor connected via the VGA port I see horizontal lines moving across the screen, which I can only describe as flicker. I've seen this with two 22" 16:9 monitors already - one Lenovo and one Packard Bell. With the Lenovo monitor I see that in the NVIDIA Control Center the refresh rate is set to 59 with options 60 and 75 available. With 75 the flicker is still there but not that apparent. I can't set to 60 because it automatically reverts to 59. If I however connect the same monitor via the DisplayPort to DVI connector there is no flicker and the refresh rate is set to 60. With a third Lenovo screen, which is I think 15 inch 4:3 I don't see any flicker. Do I have a defective VGA port? Is this a driver issue? Should I contact support?

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When I switch between my home and work docking stations, the external monitor flickers.  I have tried what is recommended in this link:
www.dell.com/.../EN
But I don't have it plugged to the display port.  Both monitors are connected via DVI.  When I restart my computer there are no problems.  Only when I come out of sleep mode when changing docks.  The external monitors are different.  Both dells.    Video card driver is up to date.  Bios is up to date. The video card is Intel HD graphics 520 (driver 20.19.15.4531).  Display is Dell E2414H.  The dock is PR02X  F310C A03.  I have changed the monitor settings from auto detect to DVI input.   Also I disabled DDC/CI.  
I believe this is a video card driver issue although it could be bios related. 

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I have a E550 laptop purchased in February 2015.
 
Tried to attach an external Samsung Monitor purchased in June 2015 to Lenovo.  Works but flickers on and off and screen on monitor jumps slightly to the left.
 
Sent monitor back to supplier for testing and all ok.
 
Downloaded AMD video drivers from Lenovo site and installed.
 
Operating system windows 10 but had same problem on Windows 8.
 
Any suggestions?
 
Thank you
 
 
Moderator comment: Subject edited for clarity and to add model.

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I recently purchased an XPS 15 9550 with i7, 16 GB RAM, 256 GB SSD, and GTX 960m dGPU that I have connected to a 27-inch QNIX qx2710 2560x1440p external monitor. I have this connected through a Cable Matters USB-C/Thunderbolt 3 to DVI-D adapter and cable.
The monitor and everything seem to work fine at 60hz, except for every time I unplug, turn on, or restart the monitor/computer the first five or ten minutes of use is plagued with constant screen flickering and flashing. After ~five minutes the monitor seems to stabilize and will only rarely have a single screen flicker. 
I have read other forum threads describing similar issues with different monitors/cable setups and that there is likely an issue between the wifi card and thunderbolt port. The common recommendation is to turn down the wifi output percent to 75%, however the Killer wifi card on this computer does not have an option under advanced settings to turn down the power output. Has anyone had any luck doing this on a recently purchased XPS 15 with the Killer wifi card?
The cables and adapters are new and the BIOS and all drivers are up to date. Other than the wifi issue, does anyone have suggestions or solutions to this screen flickering problem?

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When I connect my Dell XPS 13 9350 laptop with QHD display to an external monitor through the DA200 USB-C to HDMI connector the external monitors flicker constantly (laptop is fine-no flickering). Sometimes it works for like an hour then starts to flicker or longer so its not consistent. Below are the troubleshooting steps Dell has walked me through (including sending me a new DA200 part) to no avail:
- Dell has sent me a new DA200 USB C to HDMI part
- They have upgraded the Thunderbolt drivers and all other relevant drivers to latest ones (as of June 15 2016)
- I have tried on different monitors (5-6) and tried different HDMI cables.
Dell doesnt seem to know what to do now. THey have refunded my DA200 part purchase and told me to buy a separate HDMI to USB-C cable to test. If that fails it seems they will replace the motherboard. They say it could be an issue with the external monitors not being compatible with QHD, but this is not documented anywhere (they admit) and I havent heard anyone else having this problem on the internet and surprised every single person using this setup has QHD external monitors. This is an unworkable situation for me as I work in PC labs all day connected to external monitors.
Any advice? 

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I have a Dell Latitude E6410 running Win 7 Professional (64-bit). I have it connected to an external monitor. Whether I choose "projector" or the option to show on both screens, the monitor on the laptop will flicker. Here's more specific information that may be helpful:

The laptop and a desktop are both connected to a KVM switch. I set the laptop to "projector" mode so that it will, of course, project on to the main monitor. When I am accessing the laptop via the KVM switch, I see its display on the main monitor just fine. However, if I switch to the desktop, the laptop screen will intermittently come on and off. This happens over and over. That is what I describe as the "flickering." It's very annoying as I work from home and each time the laptop screen goes off and on, I hear a beep in my headset.

The laptop uses Intel HD graphics. The driver date is 01/30/2013 and version is 8.15.10.2993. The laptop resolution is set to 1024 x 768 with a refresh rate of 60. Windows does not find a newer version of the graphics driver when doing a search. The laptop will also give this message when flickering:

Optimal Resolution Notification
This is not the optimal display resolution for the primary display device. The optimal resolution is 1280 x 800. Click this notification for more information.

Keep in mind this ONLY happens when the laptop is NOT being accessed on the main monitor on the KVM switch. If it is, its screen does NOT flicker.... Read more

Answer:Intermittent screen flicker when laptop connects to external monitor

After connecting to the projector, change the resolution to 1024*768

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Hi, I recently bought a 22" LG Flatron Monitor and a Toshiba Satellite Pro Laptop and have a flicker happening on the LG monitor whenever the laptop is plugged into an outlet. The flicker immediately goes away when the laptop is running off of battery power. The resolution is on the native 1920x1080 and refresh rate is 60Hz (can't change it). I have had this problem before with a HP laptop and BenQ monitor. The problem only happens to me at work (not at home), so I believe that is has to do with electrical noise on the circuit at this particular location. Anyone know of ways to get rid of or filter this noise to eliminate the flicker?
Thanks
 

Answer:External Monitor Flicker when Laptop Plugged into Wall Outlet

What way do you use to change your refresh rate?
 

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Hello, 
I have a Dell Inspiron 15 7568 laptop that is less than a week old. I also purchased a Dell HDMI to VGA adapter so that I can use an external monitor with a VGA input as a 2nd screen. 
Whenever I connect to the external monitor my laptop screen, not my external monitor screen, flickers a couple of times a minute. I have checked all the connections of the adapter and VGA port and they seem fine. It appears there is a problem that is encountered when I plug in the external monitor that causes the laptop screen to flicker occasionally. 
If anyone has any suggestions to fix this issue it would be greatly appreciated.
Thank you.  

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Hello, I would love to ask for some help!
I've recently purchased the newer Dell XPS 13 9360 Non-touch (not the 2 in 1) and am having some trouble with using an external monitor. The screen (on the external monitor) keeps on flickering and has a very unstable connection. 
I've searched and found that apparently lowering the power output of the WIFI network adapter can fix this problem. 
The problem is that the current XPS's wifi adapter doesn't allow the power output to be changed. The previous fixes were geared towards intel wifi adapters.
The general power settings for the computers doesn't show wifi card power controls.

I have updated all the drivers for the computer including the wireless adapter. Still the options doesn't change.

Has anyone found a way to get a stable external monitor to work with the Killer Wireless Adapter cards?
Any help would be greatly appreciated!
-JDed

Answer:XPS 13 9360 External Monitor Flicker with USB C - HDMI Adapter [Killer Wireless Adapter]

For what it's worth: For me (XPS 13 9360, QHD, i7, 16 GB, Killer WiFi), external screens are perfectly stable, even with wireless being on relatively high throughput load, albeit not high power (energy) load.
I am connecting both HDMI and DisplayPort displays, each with cheap native USB-C adapters (i.e. through Thunderbolt). I also have full success with a Dell DA200, through its built-in HDMI graphics adapter.

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Switching to an external monitor  (AOC brand) from the built-in utility of the X201 (Fn+F7) works fine from startup. However, on wake-up, the monitor will flicker so bad it is almost unreadable, even though it had been connected just fine. Changing the monitor settings seems to have no effect. Re-booting the X201 cures the problem. I have a good quality VGA connector between the X201 and monitor and am not using the Ultrabase.

Answer:External Screen Flicker

Have you tried this machine with some other external LCD?

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I have spent hours trying to work this out to no avail. I have a T60P with a  ATI Mobility FIREGL V5250 video card External screen is Viewsonic VG2230WM What i am trying to do is make the viewsonic my MAIN screen and then the laptop screen as #2 the extended screen. I currently have it working in reverse however the options in the display settings are greyed out to enable me to make the viewsonic the main screen Any help would be much appreciated, I found quite a few posts about this but no solutions. Marc

Answer:T60P external monitor problem, setup external monitor as main and laptop screen as # 2 Vista 32bit

This isnt a complete solution but it helps... you can just drag your taskbar onto the external monitor screen. 

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Hello, External monitors connected to L560 flicker from time to time. It's like loosing connection and then coming back.it happens multiple times in a short while and it's annoyingsometimes the connection is lost for a longer period and the windows on secondary can't be accessedwhen I lock the computer and unlock after an hour, all the windows from the secondary monitor are moved to laptop's displaysometimes the connection is lost and I have to unplug the cable and put it back to detect the monitor again.I have Windows 7 with latest updates (firmware and Windows).I tested multiple monitors: a few Lenovo monitors, a Dell and a NEC. The monitors and cables used work correctly with other devices (laptops and desktops).The problem appear using VGA and mini DP. I noticed that others have flickering issues with L560. 

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Have already updated the Bios on the computer as well as installed the recent firmware update available for the docking station. Any other suggestions?

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Question: monitor flicker

I have just bought Mrs a new system after the previous one showed signs of wear in amongst other things the monitor.However the monitor on the new system still flickers...why?is it a placement, structural or power surge (as suggested offline)problem or something else and can you please help resolve it?thanks in anticipation....mikp.s. it happens mostly at idle, anything "over the top"..like dvd...media player, pic and fax etc...no probs.xpsp2.cheers.

Answer:monitor flicker

Check for Speakers too close or any desktop lamp, especially the ones with transformers in the base or any other magnetic field near the monitor.Check the refresh rate of the monitor from right click on desktop/properties/settings/advanced/monitor. Make sire the refresh is Hertz or above. j.

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Question: Monitor Flicker

ok i've long been a musician and as such i have high-end powered speakers and subs surrounding my computer and monitor (its also magnetically shielded .. well the case is.......) ANYWAY... i used to keep my speakers a decent distance away (about 20 inches or so).. but while moving my studio room around i placed a 4x12 guitar amp cabinet next to the computer and monitor while it was on.. ..... in case you didnt know 12 inch guitar speakers have big magnets....... .... x4...... ANYWAY.. i figured thats what caused the flickering that i just noticed today (about 4 hours after the move)... it doesnt happen constantly.. just occasionally horizontal lines about 1mm to 20mm thick flicker on the screen... and more than one at a time... like 5-30 at a time... random places also... (refresh problems???)... any help would be appreciated...

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Question: Monitor Flicker

I have a plug and play monitor and I have it on the lowest but one setting and after twelve months working perfectly it has suddenly developed a flicker. Do yoy think I ought to change any settings. The refresh rate etc is set at default. Any advice would be welcome.

Answer:Monitor Flicker

Maybe the driver is needing updating.Try device manager and see if there is any yellow exclamation marks.Driver Max comes to mind for downloading drivers but will only let you download 2 a day on the free version.But I would wait and see if you can get some other help first.

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my system specs:
MSI x1950pro
rosewill 550W
2gb OCZ ram
amd 4200+
MSI k9a platinum mobo crossfire xpress 3200 chipset
20.1" viewsonic vx2035wm LCD
windows XP pro SP2

i'm having monitor flicker issues with my LCD. it only happens at my monitor's native 1680x1050 @ 60Hz resolution (max supported). there is a very noticible pulsating occurring mostly along the top half of the monitor. this happens as soon as the XP welcome screen comes up and persists for hours and hours or it is gone after a simple, quick refresh of the monitor's screen (such as during a game's load-up sequence). the flickering is erratic in terms of its duration. i have tried an innumerable amount of things to remedy and even diagnose the problem. my x1950 comes with VGA and DVI. flickering occurrs through both ports. i plug my monitor into my laptop (which is running on an ATI x600 mobility graphics chip AS WELL AS THE SAME RESOLUTION) and there is absolutely NO flicker (using the VGA on my laptop). i have tried about 5 different versions of CCC and the ati display driver as well as at least one or two versions of the omega catalyst drivers. no flicker when another monitor (17in LCD, 13in CRT) is plugged in (however i havent been able to test at the same 1680x1050 resolution with other monitors). haven't tried reseating the card or using the DVI-to-VGA adapter yet. computer is not with me at college. i moved to an interference-free area and still there's flickering. i tri... Read more

Answer:LCD monitor flicker...don't know what else to do now

I've now determined that it's a driver incompatibility between the ATI catalyst drivers and my viewsonic monitor. I have tested every scenario of monitor and card combinations with a friend's peripherals. All ATI cards cause my Viewsonic monitor to flicker. All versions of the catalyst drivers do this. Are there other versions of the ATI drivers that don't involve this catalyst garbage? And I know that you can download the display driver only, but that doesn't solve the problem. Are there other third-party ATI drivers that aren't omega that anyone here has used? Thanks.
 

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Question: Monitor Flicker

Hello,

Today my Monitor (Viewsonic, P225F) started flickering from the normal white base to a yellowish color.
Anybody know what this is caused by? Is it the monitor or could it be the graphics card or...?

Thank You

Answer:Monitor Flicker

i think its the monitor...I have the same problem with my IIyama VisionMaster, it gets pink all the time...when I hit it it gets normal

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Question: monitor flicker

Since upgrading from Win 98Se to Win XP I now have a very distinct flicker on the monitor screen that was not there on Win 98. How do I correct this problem?

Answer:monitor flicker

Change the refresh rate. Right click desktop, Properties, Settings, Advanced, Monitor.

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This has been week from hell! I finally got win xp home installed after many installs and losing data and now my monitor flickers! I would say it flickers once or twice about every2-4 minuts as though my PC is preparing to go into sleep mode or start the screen saver. I have updated the video card drivers, uninstalled and reinstalled the drivers and associated software. I have turned off the screen saver. I have an MSI 6800 256mb at 1280 X 800 32bit( card does not go any higher). Core clock and memory are at default. HArdware acceleration was at full and lowered a notch. I am at a loss.

PC hardware:
A8N-SLI Deluxe Mobo
2GB Corsari Ram pc3200
AMB 64 3400+
Audigy 2 ZS Pro
Hauppauge 150
MSI 6800
 

Answer:Help with monitor flicker

Hi and welcome to Techspot

1. what brand is your PSU and how many watts is it rated?

2. does it do it on lower resolutions as well?
 

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I must apologise for my last posting, I should know better to check the cables before panicking. I had my desk out the other day to dust and I must have loosened the monitor plug. After I tightened the thumb screws, the problem cleared. Thanks anyway for your quick response Felix

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Question: monitor flicker

well, it doesn't actually flicker - but every now and then, the sides go in a bit, making the picture momentarily narrower, before returning to normal.it seems to be happening increasingly often.i have a 17" CRT taxan ergovision 735 TC099It's on a refresh rate of 75, running at 1024x768 - pretty standard

Answer:monitor flicker

I dont know if this could be causing it but by any chance is there a mobile phone anywhere near the monitor at these times?

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The general problem I describe is affecting TWO laptops, a Sony Vaio (about 5-6 years old) and an HP Pavilion dv6000, (2007).

HP: From the log in screen the unit stalls and powers off, several times, before allowing full start.

HP and VAIO: Then, there is screen flicker upon start up, continuing for quite awhile (e.g. at least an hour), not always stopping during session. Flicker may continue for more than an hour.

Flicker is irregular, like a hopping frog, not a butterfly. There are no lines but the monitor dims slighly with each pulse. Remember, this is BOTH computers. Weird.

Both monitors are set to the defaults. On the HP I cannot change the monitor refresh rate from 60hz. Is this related to battery or power? And why both computers?
Vaio runs XP and HP runs Vista. (growl...)

I have done everything I can to clean up the systems and programs but no result whatsoever. My skill level is "naive intermediate."

Have never replaced either battery. Computers have been connected to various home outlets. One other laptop in the house is just fine.
 

Answer:Monitor flicker - tried everything - HELP please!

It looks like you have a very strange problem which is affecting two systems. The obvious thing to do first is go into:

Right Click on Desktop > Properties / Persnoalize > Display Settings (on Vista, will come up automatically on XP) > Advanced > Monitor > Put the Refresh rate at the highest.
 

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Question: MONITOR FLICKER

I have recently had to reinstall my operating system and all my programs.  I now a problem with my monitor which is driving my eyesight crazy!!!The problem being that the screen has a "flicker" from the top to about half way down the screen.Has anybody any suggestions for curing this problem please.

Answer:MONITOR FLICKER

What kind of monitor is this?  CRT or LCD?What OS are you running?Have you tested the monitor on another computer?  And vice-versa?Did you install the latest graphics card drivers?

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Question: Monitor flicker

Hey guys. I live in an old house that came before grounded plugs. When my monitor is plugged in to certain outlets I get a flicker. Does anyone know if there is a plug in line conditioner of sorts that would help me eliminate the flicker?
 

Answer:Monitor flicker

You could get an Universal Power Supply. That would "smooth out" the power flickers and provide a steady stream. There are some out there that provide just a couple of minutes of power and have three or so outlets that aren't too expensive. THey are also small.

try here: http://www.tigerdirect.com/applications/Category/category_tlc.asp?CatId=20
 

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Problems with monitor flicker when using a secondary monitor with a laptop. Try this first before messing about with new driver downloads and cables. Ockam' razer approach! Following from a previous 'thread' on this issue, I disconnected the laptop from mains power - problem solved! Tested this by repeatedly reconnecting and then disconnecting the mains power. This testing proved conclusive that it was the mains power. Hope it works for you too.
 

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Question: Monitor Flicker

My sisters monitor closes in on its self a few times a day (2 black bars slowly flatten the screen) and it is really bugging her, it is my old monitor and it worked fine for me, the video card has been used on a lcd with no problem,

Any ideas?

Answer:Monitor Flicker

Is it a crt? My dad used to work for samsung repairing crts so Ill ask him what might cause this. Im almost positive it probably something with your monitor and not your actual rig.

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Question: Monitor Flicker

Troubleshooting a Dell E151FPb monitor that has a screen jump. I switched to another unit and got the same results. Updated the driver on Intel 82845G and no change. Any suggestion would be much appreciated
 

Answer:Monitor Flicker

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Hi,
I just bought a new monitor a few weeks about, it is a 17" IBM Flat CRT. A few days ago it started flickering on the side edges, deguassing didnt seem to help.....that however has stopped for the time being, but now the whole screen seems to twitch now and again.......does anyone had this problem before or know what it could be?

I had a 15" CRT monitor on the computer before and it was running fine as far as i knew. It is also running a Geforce FX5600 256mb video card. Also it is running a resolution of 1152X864 at 75hz. (i turned up the hertz from 60, to try stop the flickering, it helped a bit).

Thanks.

Answer:Monitor Twitch/Flicker

Hate to say it, but unless someone else here has some advice for you, it kind of sounds like you got a defective monitor.

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Hi guys Ive got a Radeon 9250 video card which Ive been using for 3 years and a BenQ 19" LCD FP91G+ monitor which i bought 2 months ago. Lately there has been flickering on the screen mainly noticable with the fonts. I connected my old monitor and tried it with that, it works fine. Then i connect the BenQ back and its still fine. After a couple of days it starts to flicker again. Please help!!!
 

Answer:Flicker by monitor or v/card?

Hi, and welcome to Techspot. LCD monitors are known to flicker much more than regular CRT monitors. Have you adjusted your refresh rate on your monitor recently? Or maybe put a fan next to the monitor or a refrigerator or any other type of appliance?
 

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I have bought a new base unit, but i'm using the old (6/7 year) Fujitsu (CRT) monitor until I can afford something else. After reading something about flicker and headaches, I checked the settings and found the monitor refresh rate set at 70hz. It is showing options up to 85hz. Also the screen res would appear to be offering more options than were previously there. Can anybody advise. What is the screen res anyway ?

Answer:Monitor flicker-Best settings please ?

Screen flicker is an entirely personal thing - some notice flicker as low as 85Hz, others barely notice it at 70Hz.As a general rule, the higher the refresh rate the better, in terms of reducing eye strain. Note that you should not exceed the capabilities of your monitor, or you will damage it.Screen res is the resolution of the screen, i.e. the number of dots that are crammed into the available viewing area of your monitor. If you are running XP, it will default to 800x600, that is, 800 pixels (dots) across the screen,and 600 rows vertically.The higher the resolution, the smaller each icon will appear on screen, and the more you can view of a spreadsheet, document etc.Again, your monitor will have a maximum resolution - do not try to exceed it.

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Hi, I have an Acer AL1951 19" Monitor. The problem I have is that it has started flickering. It's happened a few times before if I've been away and it's not been used for a few days - when I turn it back on, parts of any pictures have sort of super bright sparkling edges like the clouds or trees etc. It seems to have sorted itself out before if I updated the driver, but I've done that twice this time and it's had no effect.I've checked the graphics card is well slotted into the mother board and all seems ok.Has anyone got any idea's on how to fix this?Thanks

Answer:Pictures on Monitor Flicker

Can you try another monitor, to perhaps determine whether the fault is with the monitor or the PC?

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Hello everyone, I appreciate you taking the time to read my problem.I have an Acer monitor, had it for 3 years with no problem.  I recently purchased an entirely new computer and assembled it myself.  Everything worked great for about a week and then my monitor starts flickering and will not stop.  It's tolerable, but I have a feeling it won't go away on its own.  I've tried searching for solutions but haven't found one that fixed my problem.I've tried messing with the power strip/outlet to see if its a power problem, i've tried turning up the Mhz and consequently turning the resolution down (as my video card won't let me go above 60Mhz on 1440x900.)  Any ideas? I'd like to explore as many option as possible before I order a new monitor.  If this one is going to die, what monitor would you guys recommend? My computer is set up for computer gaming.Specs:P5Q Deluxe MoboIntel Core 2 Duo 3.16NVIDIA Geforce GTX 2804 gigs of ddram, corsairMonitor is Acer, on my dxdiag file its only registered as a Plug and Play. Are there drivers for this sort of thing?  Have trouble identifying which monitor it is exactly.

Answer:Acer Monitor Flicker

Remove all power sources...remove a side panel and take out the vid card and re-seat it...See if this improves anything.You may also want to hook up the monitor to another machine to rule it out as a culprit...

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My CRT monitor seems to be very fuzzy. Does the graphics card have anything to do with this or is my monitor worn out? I only have a 32 MB
card.

Answer:Fuzzy/Flicker monitor

check out your monitor refresh ratright click desktop > properties > settings > advanced

and click the monitor tab, ther you'll see refresh rate mentioned,

and see if the check box beside " hide modes that monitor cannot display" are checked..
then choose highest rate (typical will be 75-85 Hz)

and see if it stopped flickering.

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My friend is having lots of issues with his moniter and screen flickers.

I'm fairly certain that the issue is the redraw rate but haven't been able to make any headway.

Sadly, it's next to impossible to change any relevent settings considerig how bad the problem is. I'm asking if anyone has a pinpoint solution so I'm not guessing while fighting the clock, since the problem seems progressive the longer the computer is running.

So sorry, I don't have any relevent information regarding the drivers or adapter seeing as... well, I can't see. I do know that the monitor is an 566LM made by LG, and is only about 3 years old since purchase.

Next step is getting another monitor over here to work with, but I was hoping that someone might tell me something that might save me a tiring trip up and down 3 flights of stairs with a big old monitor.

Any advice would be apprecated.
 

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Using Win98, Compag Deskpro Celeron Processor 500(?)mHz, 64 MB

When opening a file or creating a new file in Excel, the monitor flickers on and off. It looks as if someone were unplugging the monitor. I've tried using the Detect/Repair option, but that didn't work. I even tried upgrading to Office XP, but no go on that one. I couldn't find any info. on Microsoft's website and now I'm counting on you.

p.s. this problem only occurs in Excel, weird huh?
 

Answer:XL2000 causes monitor to flicker

Do you have a file in your XLSTART directory?

When you open a new session of Excel, hit Window. Is Unhide available?

Does Excel run any automatic code on startup?

Do you have anything in the box at "alternate startup folder" under Tools-Options, General tab?
 

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Hello,

I recently got a new Asus Monitor

ASUS VH242H Black 23.6" 5ms HDMI Full 1080P Widescreen LCD Monitor 300 cd/m2 ASCR 20000:1 (1000:1) W/Speakers

http://www.newegg.com/Product/Product.aspx?Item=N82E16824236052&Tpk=asus vh242h

Anyways I had this monitor hooked up to my old rig which was and Amd Athlon X2 5200 with and 8800GT which I took out when it died and then just used the onboard Geforce 6150SE. Anyways I hadn't had any problems with my monitor flickering but now on my new system that I just built which runs an AMD A8 3870K with a Radeon 6550D 8 GB ram and 64 bit Windows 7 anyways I just recently started noticing a tiny flicker on the top of the screen that runs from edge to edge and it looks almost like the bottom edge of my task bar as I have my task bar on top and so the flicker almost looks like that a long thin white line.It is not constant and just randomly happens and then goes away and so I was just wondering what could cause a tiny flicker like that and if it was fixable and or if it could be something bad. I am sorry about the most likely horrible explanation of the problem and a video of it would probably help but it just happens randomly so if anyone has any ideas that would be greatly appreciated.

Thanks,

Edit I found a video of a Dell monitor doing something similar but mine only does it for a little while and only at the top not all over like the dell one.

http://www.youtube.com/watch?v=5TXbhHH1sfI

So do you think It could be my... Read more

Answer:Solved: Monitor Flicker

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have a LCD Samsung, 18 months old - suddenly developed intermitent flicker whole screen has very severe flickering lasts for about a minute at a time then is gone. there is nothing running, all cables are secure, running on a 2 year old HP media center w XP Pro, refresh rate set at 60 fastest it goes
what is going on, do I need new monitor?
thanks
 

Answer:monitor flicker - severe

I would look for updated video drivers for your card.
If that doesn't work, looks like you need a new monitor.
 

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My  ThinkPadE560 was flickering randomly whether on battery or AC adapter. Please post possible solutions Lenovo because I noticed that flickering is common to ThinkPad E series (laptop screen or external monitor). Thank you. My ThinkPad: E560, Windows 7, Intel HD Graphics 520

Answer:E560 monitor flicker

HELLO LENOVO. SOS!

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Equipment:Lenovo Twist s230uTargus DisplayLink2 x Lenovo e2224 monitors I've seen this issue several times with the same or different machines on the web but have yet to find the my fix.  I have my monitors set up in extended view and at least one will flicker with lines and/or go black for a few seconds randomly.  Particularly after the computer has locked.   I have: - Checked drivers for USB, Displays, the dock - Completely replaced the dock - Replaced all wires and cords - Tried a different USB port - Confirmed BIOS version What I have noticed is the displays are okay if any of the following is done: - The laptop is unplugged and on battery - The resolution is changed down to 1400x900 from 1920x1080 - The display is twinned instead of extended view. Anyone have any further thoughts?

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I have a Dell Inspiron 1012 running Windows 7 Starter SP1 and I've got it hooked up to my Protron 42" LCD screen with HDMI cable. I changed the flicker rate to 70 Hertz without checking the Proton's maximum flicker rate - yeah, that's really SMART - so now I've got an issue with my external display.

It worked okay for second but then my laptop screen turned black and the external display reads "Signal Out of Range" (duh, the Protron works only up to a 69.8 Hertz flicker rate, which I SHOULD have checked BEFORE changing it, but what's done is done -_-).

Now, when I plug in the HDMI cable, my laptop screen goes to black and the external display still reads that same message. I can't change the flicker rate without seeing the menu on my laptop screen.

Any advice on how to change flicker rate back to 60 Hz?

Answer:External Display NOT WORKING - Need to reset flicker rate

Hi mc4wit and welcome to seven forrums, I would connect the hdmi cable and press and hold the windows key and press p once and then press the enter key. Now you should see your laptop screen. Now you can change the flicker rate. Hope this makes sense

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Hi All OK, so I have a W530 with the mini dock 170W: great machine.  Originally I just had one external LCD, and no issues. I now have another LED, and I get screen flicker on both external monitors (laptop screen is fine). Details:-Windows 8BIOS 2.51Graphics: Quadro K2000M with driver 310.90 (updated to latest in hope it would fix issue)Of extra note: I have a dock at home and work, and both have dual monitors.  At home connection is DVI for both. At work, one is DisplayPort and the other DVI. 3 displays are Samsung, and 1 a Dell...all around 23/24" size. The setup at work did work without flicker at one point with two displays...it was flickering, and I played around with cables, and rebooted, etc. and after lots of time/frustration the flicker stopped...but since docking again, has started :-( I have read lots of google about ground loop issue: bit concerned about ditching grounds on monitors, and would have thought that if this is such a common issue, there would be a better solution supported/provided by the laptop manufacturers...so have not followed this suggestion... If anyone else is running a similar system without flicker it would be interesting to get your exact system spec to help determine which aspect of the system causes this... RegardsPaul.

Answer:W530 with Dock and dual external monitors flicker

I would make sure the notebook is firmly pushed down and into the connector on the dock.  I usually dock my machine fairly carefully, then push it down firmly after I know it is lined up properly.

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Last night my PC died on me, with the error no video signal and abnormal powering up.

I replaced the PSU with a new unit today and also bought a new Nvidia GeForce 6200 inno32 AGP card just incase the card was at fault too.

Installed the new PSU and everything booted up as it was previously, old ATI 9250 card works fine.

I try the new Nvidia card and instantly after boot up the monitor flickers on and off to a black screen, sometimes not returning. On occassions the monitor says it is entering sleep mode.

I have tried to update the driver but I have the newest avaialble, I have tried altering and lower the settings of the card but the flicker still persists.

Whenever there is USB device in use the flickering seems to occur more, i.e. use of a printer, usb stick or sometimes the keyboard and mouse. On occasions I also get an error saying no keyboard has been found on boot up.

Does anyone have any suggestions... I'm thinking its something to do with the power and USB.

I can use vista dreamscene's but this sometimes exacerbates the problem.

AMD Athlon 64 3000+ 2.00ghz
MSI K8N Neo Platinum Edition MOBO
1.5gb RAM
Vista Ultimate 32bit
34gb sata HD (system)
280gb sata HD (media)
Benq DVD writer
Nvidia GeForce 6200 inno3D AGP 256mb DVI
 

Answer:Monitor Flicker after new PSU and Grpahics Card

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I have had this problem intermittently for some time,but lately its gotten much worse.I have swapped drivers,NEC to Default monitor,altered the refresh rate,altered the resolution and still the darn thing flickers and freezes,and on occasion crashes and restarts the PC.I thought it might be heat related,but nothing is remotely hot(GC/RAM/CPU)The flickering does NOT occur at all if I'm using Linux,so its something in XP.I have videoed its misbehaviour(Philips Webcam)and uploaded this onto my site.Its just under 4Mbs size,for approx a minutes worth of video.The webcams video is quite poor,but you can see the screen going off-on-off whilst a browser page is onscreen,and how it steadys up when I close the browser window.click here

Answer:Monitor Flicker whilst surfing

Monitors don't have drivers, they use graphics cards' configuration and output.Have you checked Display Properties (right click on Desktop and then click on Properties)?From the Settings tab>Advanced button>List All Modes you will get a menu of all the refresh rates, colour and resolutions your monitor will support.Pick the one that suits you in combinatin with a refresh rate of 85MHz, which will ensure that flickering won't prove a problem.

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Hi to all! Sorry from my English I have lenovo g580 (20150) and Windows 8 x64. Monitor -> flickers! This is very bad, im dont work ;-( help me pls!! Maybe im need driver or special custom setting?? i have full drivers from lenovo site. Moderator Note; please do not duplicate threads in multiple boards as it will split the discussion and is also unfair to other users.  Duplicate posts have been removed along with unnecessary post bump. Verry sorry. ---------------------------------------------- update: my problem ->>> Flicker like old monitors (60 Hz mode). Maybe im dont have 60 hz? in settings set 60 hz. im donwloading powerstrip and view. 59 hz! This is normal? maybe i need driver for display? or i need special system setting? help..............

Answer:G580 (20150). Monitor -> FLICKER. Help me pls!

Hi! Help me to fix display on windows 8 x64 (lenovo g580_20150). Bad image on display (59 hz). --- Maybe me need display driver? im dont know ;/ help!

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I have a 3 week old Thinkpad 430s (2352CTO) with 16GB Memory.  BIOS is G7ET95WW (2.55) I use a Lenovo Minidock Series 3 170W and connect through the dock via DisplayPort to dual monitors (Asus VE248Q). I get a regular flickering of the monitors but not at the same time.  Occasionally, the display connection drops outs and the laptop seems to rediscover the monitor that drops out.  It never seems to happen at the same time and I have yet to discover a pattern to the flickering and drops.  Needless to say, it?s incredibly annoying and very frustrating.Is it monitor related? Are there settings I should check? I?m at a loss

Answer:T430s + Dock + Monitor Flicker

1. T430s with Nvidia or Intel GPU?2. Driver version for the graphics card3. OS?

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I have Thinkpad 430s (2352CTO) running Windows 7 64bit with 16GB Memory.  BIOS is G7ET95WW (2.55).  I have 2 display adapters, Nvidia NVS 5200M (driver 9.18.13.1269) and Intel HD Graphics 4000 (driver 9.17.10.2843) I use a Lenovo Minidock Series 3 170W and connect through the dock via DisplayPort to dual monitors (Asus VE248Q).  The monitor connection shows they are using the Intel HD Graphics 4000 connection. I get a regular flickering of the monitors but not at the same time.  Occasionally, the screen blacks out for 3 seconds, then the monitor displays indicates connection via the Display Port and the image reappears.  The longer between reboots, the more it happens.  During times of video display or animations, it happens more regularly, especially the signal drops. Needless to say, it?s incredibly annoying and very frustrating. Is it monitor related? Are there settings I should change? Can I upgrade the video capabilities of this laptop? I?m at a loss

Answer:T430s + Dock + Monitor Flicker

Have you ever figured out the root cause of this?  I'm struggling with the exact same issue! Lenovo T430S with Win7 64bit... also through the mini dock to 2 DVI-connected Samsung SA450 monitors.  For mine, only the 1st monitor will flicker (it looks like it looses connection for 2-3 seconds, then reappears).  The 2nd monitor has never done it.   I agree that this is exteremely frustrating! 

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I'm experiencing monitor flickering on a new M700 Tiny that I recently installed. The flickering is in the form of diagonal lines or tears across the monitors that appear randomly. The issue is occurring on both monitors and I've switched out DisplayPort cables. (this model only has DisplayPort) I've also updated the video drivers and the BIOS. I've also tried different ports on the PC. One thing I did notice is that when I switched out the DisplayPort cables the issue became much, much worse. When I use a DVI to DisplayPort cable along with a 6ft DisplayPort cable for the other monitor the flickering is intermittent. When I use two 3ft DisplayPort cables from Amazon the issue becomes extremely bad.

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hi... last fall, i purchased an Nec lcd1760V 17" monitor from froogle.com... it didn't start giving me problems until 2-3 months ago when it started flickering... the highest refresh rate that this monitor can handle is 75 hertz... ever day or so... it undergoes this random burst of flickering which doesn't stop usually until i turn the computer off. I have tried every single configuration possible, all the screen resolutions... can you help me deal with this issue temporarily before i purchase a new, brand name, monitor in the summer?
 

Answer:insane screen flicker on an lcd monitor...

your refresh rate should be @ 60hz
 

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Hi, I have a weird problem. My monitor is flickering horribly. It's to the point that I can only look at it for a couple of minutes before it begins to really hurt my eyes.

To understand how weird this is, let me give you some backstory. I had my computer in my home computer room in the same place for over a year. Also in this small room is a tv and stereo system. Then we had our hardwood floors refinished, and I moved the computer downstairs for a month as the floor was refinished and cured. During all of this time the monitor was fine.

After I moved the computer back upstairs and back into the same room, but into a different corner of the room, the monitor began this flickering thing. I thought it was a bad outlet, since it's plugged into a different outlet now, but I plugged the monitor into an extension cord, into the other outlet, and it did the same thing.

Then I thought it was my very old computer. I just got a new one last week (new CPU, same monitor) and I'm having the same problem. I have absolutely no idea what is causing this and could use some help.

It's been about 3 weeks now.

I have an Envision 19" monitor, about 2 years old, and haven't had any problems with it before now. I have the refresh rate set to "optimal" in the WinXP control panel. Again there is nothing different about this setup except it being in a different corner of the room. Please help.
 

Answer:Monitor flicker is killing my eyes!

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Odd problem with monitor; When using Microsoft Works and a few other programs, I get thin dark greyish horizontal lines across screen that go up and down the screen at probably--but just guessing here--the screeen refresh rate.

Annoying, and am wondering what's causing it -- any ideas? Had monitor since January 2006, problem started about a month ago.

Here's NVIDIA settings I'm using:

GeForce MX100/200 EGA/VGA card (32 Mb)
DirectX 9

Screen Resolution: 1280x1024
Screen Refresh: 60Hz (Have tried other values available -- 70, 72, 75 Hz -- still get the lines)
Color Quality: 32-bit (Also get lines with 16-bit)
Image setting: Performance (Get lines with High Performance, & Quality Settings)
Antialiasing: Application controlled
Anioisotropic filtering: Application controlled

Digital Vibrance: Off

NVIDA Desktop Manager Version 61.76; Driver Versions: 4.14.10.6176)
=========================
Had theory I might be pushing the Video card too much & need to drop resolution down to say, 1024x768 or less.

Theory #2: Could it be electrical interference causing it? Haven't moved anything on the desk though....
 

Answer:NEOVO F-419 LCD Monitor Screen Flicker

Well, if it only happens while you're using certain applications then it's most likely a software / driver issue.
Perhaps try some different driver versions?
 

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I'm having a persistent monitor flicker problem. The machine is a P2 celeron with 300+ mb of RAM running windows 98; monitor is a KDS "visual sensations"

To eliminate possibilities, the following remedies have already been tried without success:
- moved the monitor away from the cpu to see if it was caused by electrical interference by the cooling fan
- checked the area for electronic/electric devices that might cause interference
- tried the monitor on a different computer; it worked fine
- tried a different monitor on this computer, it flickered also
- fooled with the video display settings & refresh rate.

The strange part about this is that it appears to be somehow related to the peripherals - when the machine is just sitting there, it barely flickers, but when you use the key board or mouse (especially the mouse) the problem becomes very pronounced.

Anyone else experience a problem of this type before?

Thanks in advance!
 

Answer:strange monitor flicker problem

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Hello all, I'm new to the community

I'm having trouble with a monitor that I got almost a year ago. It's the Samsung 245BW.
So, the problem is not really a flicker in the way you might think. The "flicker" is actually something that happens every 10 seconds or so, and the whole screen spazzes and turns black for about half a second. The intervals get longer and longer, and the screen just stops "flickering" after around 30 minutes of use (and afterwards works normally). I have tried this monitor with two different computers, and the monitor shows the same exact symptoms.

I'd really appreciate it if anyone can tell me how to fix this problem. Thanks!
 

Answer:Samsung 245BW Monitor Flicker

The monitor is bad. I have the exact monitor in front of me and it works fine. They are good expensive monitors. I'm sure you can have it fixed. Mine is about 6 months old. How are you running it? DVI or VGA?
 

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Monitor: Acer X233H
PC: Windows XP
Graphics = NVIDIA GeForce 7500 LE

I have the monitor set up as follows:
1920x1080, 60hertz, 32bit colour quality, 96 DPI

I bought the monitor over a month ago, I have now noticed when I open a
dark image, the screen it flickering in the center of the screen, all the way
across. (I dont remember if it did this when I first got it or not)

I was going to change the refresh rate but I'm scared to change it as shows
only 60hertz and says "clearing the checkbox allows you to select modes
this monitor cannot display correctly. this may lead to unstable display
and/or damage hardware"

Other than the flickering, the monitor works fine.

anything I can do to stop it flickering?
 

Answer:Solved: Acer monitor flicker

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hi all
i have recently bought an Acer L100 small form factor PC. unfortunately i am getting monitor flicker. it is an issue with the PC as i have tried two different monitors (17 & 19" TFT) which are otherwise fine.

the flicker is barely noticeable when idling but gets much worse with CPU and particularly HDD activity.

the unit comes with a 90W external PSU, for the following spec:
AMD 64 X2 3800+, 1GB, 160GB HDD. integrated nV 6150 graphics.

only thing i can think of is that perhaps the power draw is too high with HDD seek / CPU activity - could this cause the flicker?

its a very compact unit so i thought there may be internal interference but have eliminated that. I've also eliminated external issues eg nearby speakers.

thanks for any help you can give...

Answer:Can insufficient power cause monitor flicker?

is this a laptop or a small form pc??? as surely the monitor comes with its own power source??? the refresh rate is probably too low if the monitor flickers

Matt

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I've been having this problem for a while now, and I really want to get to the bottom of it.

The flicker takes the form of narrow vertical shadows moving across the screen horizontally. It isn't particularly noticeable on lighter backgrounds, but on a darker screen, it's really distracting. I notice it most when play Minecraft (in dark areas) and at darker scenes during DVD playback.

I thought it might be that the monitor isn't getting enough power - there's my PC, an external HDD, surround sound speaker system and two lamps running off the same power supply - but I plugged it into a different supply, and still had the same problem.

One thing which might be causing it: the cable the monitor was supplied with is a European two-pin, rather than a UK three-pin, and I'm having to use an adaptor.

Any advice would be much appreciated!

Answer:Strange constant flicker on LCD Monitor - help?!

If you are up to it, I would take apart the LCD and check the capacitors, you may just find a leaking or bulging capacitor which can be easily replaced, if you are into soldering.

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Nevermind. It was just a driver problem.

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Hi, I bought a new Asus 23.6" VH242 monitor recently and have it connected via VGA to my laptop, and it is running at HD 1080x1920 res. There is a faint flicker to the screen. My laptop monitor does not have any flicker.

There is no way to change the refresh rate from 60hz. I do have the latest driver for my graphics card.

Would it be the monitor, the VGA cable, or the graphics card causing the flicker?
 

Answer:Flicker on LCD Monitor Cant Change Refresh Rate

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I have a particular problem:

The problem I'm having is this: In dual-monitor configuration, my one of my displays flickers once every few minutes. When it flickers, the flicker happens only on one or the other monitor, and never both monitors. My Samsung Syncmaster 226bw monitor's native resolution is 1680x1050, and the second monitor (Gateway FPD1500) is 1024x768. There is flickering on one monitor (one or the other monitor at a time), once every few minutes. In the flickering split-second, I see expanded, distorted text on the screen, like the text I was looking at exploded, then returned to normal display. There is otherwise nothing wrong with the display in either monitor. You have to have a fast, trained eye to catch that. Ever come across a problem like that?

I have determined that reduced blanking from my video card is in effect (pixel clock is at 119 MHz at 60 Hz vertical rate). This doesn't resolve anything, anyway, because at 1680x1050, the pixel clock is well below the max of about 165 MHz in standard blanking mode. (If you don't know what I'm on about, don't worry--I know it's a non-issue.)

The flickering seems to stop once the dual-monitor set-up is configured for single monitor display.

A possibility: the power supply is just barely providing enough power to drive the Visiontek X1300 XGE video card when in dual monitor mode. It provides only 300 watts. But it does meet the spec power requirements for the video card. And the card supports dual link D... Read more

Answer:Ocassional flicker in dual-monitor mode

Bumperoo...

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This approx. 2 year old monitor started to flicker when resuming from standby about 10 days ago. Changed standby to "Never", the problem went away.
It will flicker upon re-boot, and continues to flicker for about a minute, then resumes normal operation.
It does this even when disconnected from the video card (Nvidia GEforce 6200). this is a dual monitor setup, and the second (Samsung 712N) doesn't flicker..
OS is XP Home, everything's up to date.
Any help appreciated.
 

Answer:Solved: Monitor Flicker Samsung 226BW

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I am attempting to see if an HP 1702 can be salvaged. The monitor flickers even before the PC is turned on, and continues to flicker after the operating system has loaded.
I opened it up. Checked the capacitors on the main board and the power supply. They look good, but could they still be the cause, or is something else more likely?
 

Answer:Hardware causing monitor flicker, any solutions?

Have you tried another monitor?
Often it's the connection, cable or monitor itself that's the issue.
 

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Earlier today, without any symptoms of warning, something strange happened to my monitor. I haven't updated Windows or anything that I can think of that would cause a problem like this.
The issue is this:
My monitor is flickering really bad. I can read text, but it really gives me a headache. The strangest thing thoug, is that there's a perfect grid symmetric square of tiny blue squares all over the monitor. They seem to scale with resolution i.e. the higher the resolution the more square and the smaller they get. They are not large enough to cover anything, although they are clearly visible. Strange thing is they appear everywhere - even when I turn my computer on and it starts in DOS (or what computers start in nowadays anyway). Even if I enter the BIOS I can see them. When the screen goes black because Windows has to pause (for example before User Account Control popup) I can see them. And the worst thing is they seem to have appeared from nowhere! I haven't installed any programs in the last few weeks.
I just updated the driver for my graphics card (GeForce 7900 GT), and that didn't help. My monitor is a Medion monitor by the way.

Please help, I'm starting to lose my mind (and temper!).

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I have a particular problem:

The problem I'm having is this: In dual-monitor configuration, my one of my displays flickers once every few minutes. When it flickers, the flicker happens only on one or the other monitor, and never both monitors. My Samsung Syncmaster 226bw monitor's native resolution is 1680x1050, and the second monitor (Gateway FPD1500) is 1024x768. There is flickering on one monitor (one or the other monitor at a time), once every few minutes. In the flickering split-second, I see expanded, distorted text on the screen, like the text I was looking at exploded, then returned to normal display. There is otherwise nothing wrong with the display in either monitor. You have to have a fast, trained eye to catch that. Ever come across a problem like that?

I have determined that reduced blanking from my video card is in effect (pixel clock is at 119 MHz at 60 Hz vertical rate). This doesn't resolve anything, anyway, because at 1680x1050, the pixel clock is well below the max of about 165 MHz in standard blanking mode. (If you don't know what I'm on about, don't worry--I know it's a non-issue.)

The flickering seems to stop once the dual-monitor set-up is configured for single monitor display.

A possibility: the power supply is just barely providing enough power to drive the Visiontek X1300 XGE video card when in dual monitor mode. It provides only 300 watts. But it does meet the spec power requirements for the video card. And the card supports dual... Read more

Answer:Occasional Flicker in Dual-Monitor Mode

it has to be a driver issue , probably related to the fact that your running at 2 differant resolutions , are both monitors working at the same frequency? are you running both DMT , could be a timing issue? im not familiar with ATI have you tried setting up custom resolutions at 59hz instead of 60 for example? and have you tried connecting with standard leads non DVI? if you run both monitors at 1280.1024 does the issue persist?

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I have a Dell D1028L monitor. The flicker is horrible, even though it is set to optimal. I want to reset the flicker rate. However, I get the following warning:
WARNING! You have specified a custom video refresh rate. Some monitors may be damaged by improper refresh rate settings. You should use this setting only if you know your monitor supports it. Are you sure you wish to continue????

Should I change it to something I can live with or will I make a nice doorstop if I if I do?
 

Answer:Dell Monitor Reset Flicker Rate

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Hi,

Lately, my monitor has been flickering a bit too much. I changed the refresh rates around but it still happens. Sometimes after restarting the computer, the problem is fixed. There is also another problem where the monitor display seems slightly yellow. I can see a faint yellow colour on the display screen which is quite strange and this is also fixed sometimes after restarting. Does anyone know what the problem is? Could it be the monitor or is it more likely to be my graphics card? My monitor is quite old, about 6 or 7 years so I would suspect it being that.

Thanks for your help.
 

Answer:monitor displaying yellowish screen and too much flicker

The faint yellow colour sometimes can be corrected using the monitors built-on Degauss feature. Try it, it worked for me before.
 

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Hey
Checked all cables,both power cable and GPU's,I've attached a video showing the issue,it takes exactly 80 seconds for the login screen to show.

Hmmmmm i cannot attach the video.Uploading to Youtube.

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Vertical flicker on Hitachi LCD

Please advice!

Bought my "Hitachi CML175SXW B" LCD monitor a week ago.
Was using it on 75 Hz (checked all allowed 60, 70 and 75), digital cable (tried analog too), on Connect3D Radeon 9500 Pro. Everything was fine.

Yesterday (see the attached picture) strange vertical flickering started: a vertical band of about two inches wide, where the colors and picture are garbled and constantly changing.

It just started at the end of a working day, nothing was done to provoke it (no switching on/off, nothing plugged in...). But now sometimes it seems worse after switching the machine on, and then goes down, even disappears totally for up to a couple of hours, then comes again...

Flickering decreases at 70 Hz, decreases further at 60 Hz, sometimes disappears, then comes back after a while...

Also, the flickering can't be caught by PrintScreen (at least, I did not manage).
It seems to be the monitor and not the graphic card - I've tried to change to the onboard (SiS).

What shall I do? Am I missing something, or should it be replaced?

Thanks!

Mike
 

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Hey guys, just got a problem recently with my LCD monitor. It's a fairly old one (Acer 17"inch) and I'm suspecting that it's simply dying on me.

The problem is that whenever I power on my monitor, the screen flickers on for a second and then immediately off. Probably something with the backlight. The power button stays on but the whole screen is black. I usually try it a couple of times to power on/off and eventually it will work and then as long as my monitor stays powered on everything works as normal.

Sometimes especially (I think) when my heater is on in my room, it seems it works almost immediately or very quickly. But when it's cold it can take up to 5 min or longer to finally work. I'm not sure if it could be something based on the temperature, but I have no doubt it's something with the starter/backlight.

A quick google suggests that a dying monitor would usually flicker when it's on (backlight problems), but I don't have this at all. If I get my monitor on, then it works fine. The only problem seems to be something with the starter, but I'm not sure exactly what. Perhaps it's just getting old?

Is it worth to try and repair it? Or should I just wait it out until I can no longer get it to work and then just buy a new monitor?

Answer:Monitor flicker + black screen on startup

lcd monitors have very few replaceable parts. infact one of the few replaceable parts is the back light in some models.
however its a tricky job and normally costs more than a new monitor.
older lcd monitors use a type of fluorescent light, these tend to have a life span. the fact youve noticed there's a corrilation between temp could point to a dying capacitor that only works efficiently when warm.

if you shine a torch on the monitor when it is flashing/dark you should just about be able to see whats being displayed. this will point the finger at the back light being the culprit.

personally id treat yourself to a nice new monitor.
when you can get the liyama E2278HD-GB1 for around ?100 ($100 as us brits get stiffed on import taxes) youll not only gain 5 inces but also get a cracking budget monitor with the quality of a more costly one

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When I start my PC and turn on monitor, the right half of my monitor comes up as not viewable.  It isn't blank or dark, but a myriad of colors that cover that side of the screen.  The left side is fine.  To become viewable, I must go to a internet startup page that is virtually all white.  Then I power off my monitor, then back on.  The right side flickers for quite a while, gradually "settling" into the white screen but if I try to move to a new program or open up a page online, the screen flicks back to the unusable colored screen.  It takes several attempts and about 30 minutes before my repeated attempts finally work and the screen settles to where the full monitor is viewable. I have disconnected and reconnected all cables to the monitor, and that hasn't resolved the problem. What is the problem I am having and how do I fix it?

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I have a 17 inch Gateway monitor which is about ten years old.  I have been using Windows XP for the past couple of years on a Dell, Pentium III computer which is about 3 or 4 years old.  Lately, the monitor has "flickered" to a blue tint and stayed blue tinted for a minute or two, then turns back to normal.  Anyone have any ideas?

Answer:monitor starting to flicker/turn blue tinted

10 years of use is certainly fair. It may just be preparing to die and showing it's old age. No user servicable parts, and the cost of a repair would outweigh the value of it. Use it till it drops.  

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Recently I've started noticing a monitor 'flicker' that is a brief shrinkage of the screen display on my monitor, perhaps by ~5%. It is hard to define when it happens and exactly describe what happens. It always catches me unawares.

The Dell Ultrascan P990 came with a machine I purchased in 1999, so it has given me good service. My Sapphire Radeon HD 3870 PCIe 512 Mb graphics card came with a machine I had built for me in 2008 (see my specs)

I'm currently running Win7 Pro x64.

Could this flicker be a sign that the CRT or other monitor circuitry is failing?

My son gave me a hand-me-down Samsung S24A450BW LED monitor. I've not switched to it because photo forums I've checked suggest that the CRT monitor should give a superior image.

Can anyone offer any insights?

thanks

baumgrenze

Answer:Occasional Brief Flicker - CRT Monitor - Dell P990 Trinitron

hi yes from your description it seems like the monitor is failing. can test that by hooking it up to another computer. you could always hook up the Samsung as a second monitor and see how good the image is on that compared to the crt monitor.

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Hi. Ok, here's what's going on with my computer. Originally, I had a CRT monitor hooked up via the VGA port on my graphics card. Everything worked fine. Then I just bought an LCD monitor, a Samsung SyncMaster 731B, with a DVI input. I tried to hook up the DVI to my graphics card, a Gigabyte Radeon X700 Pro 256MB PCI-E, and when I would boot up my computer, the POST would run fine, but when I got to my desktop, the screen would flicker from black to the desktop; black to desktop; on and on. I finally figured out that my cheapo power supply did not have a 24-pin motherboard connector; it only had a 20-pin, so my PCI-E graphics card wasn't getting enough power to do the DVI output I think. So I went and bought a new Antec Truepower II 550 watt power supply with a 24-pin motherboard connector, and my monitor works via DVI for my desktop and any routine, not heavy workloads. Then I try to play Battlefield 2 and the same problems arise with the monitor flickering to black and then going back to the game, flickering to black and then back to game and so on. When I stop playing, the flickering stops. Why is this happening? And what can I do to stop the flickering? I just spent 80 dollars on the power supply that has more than enough power for my computer or so I thought. Here are my specs if they help any: AMD Athlon 64 3200+, Gigabyte GA-K8N Ultra-9 mobo, 1 GB Corsair Valueselect DDR 400 Dual Channel, WD SATAII 160 GB Hard Drive, Gigabyte Radeon X700 Pro 256MB PCI-E v... Read more

Answer:My video card makes my monitor flicker black

Does anyone at least know or could take a guess as to why my monitor flickers? I know its not the monitor because I have tested it on different computers and it works. Is my video card just designed poorly, or is my mother board crappy and not allowing enough power to the video card? I don't think anything is overheating; I stuck my hand in my case and touched the video card and it wasn't too hot. Thanks!
 

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Hi,

I'm in the market for an LCD monitor. Any recommendations? I'm looking for one that is 17-inches and silver in color. Right now I have my eye on the Dell UltraSharp 1707FP or the Dell SE177FP 17-inch Flat Panel LCD. http://accessories.us.dell.com/sna/...dhs&~ck=anav&nf=1253~0~6036&navla=1253~0~6036 I'm looking to spend around $200.00 and only need it for web browsing and text editing. What is the difference between Dell Ultrasharp and Dell regular?

I bought an LG from Best Buy, but will be returning it tomorrow. For some reason the display flickers wherever there is text. I have not seen this on any other flat panel LCD monitors--any thoughts one why my text is flickering and shaking?

I'm currently using the factory recommended settings of 1280 X 1024 at 60 Hz. Is it possible it could be my old integrated graphics card? I had no problems on my old CRT.

Also, I noticed the display model had the same problem with flickering--however I assumed this was either their signal or just that particular unit. Seems as though I was wrong...

Thanks,
James
 

Answer:Recommendations for new LCD Monitor and Problems with Flicker/Shaking text

The flickering is probably the LCD, and not your PC. Occasionally, factories will produce a lemon
 

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i just bought my asus 23 inch computer screen about a month ago, i was using said screen about two days ago when all of a sudden, when i exited out of the internet, the bottom inch of the screen started flashing with images from the top of the screen. now i can't see my start bar or anything down below. soon after i noticed a single very thin blue line running vertically up the screen. i tried buying an hdmi cable to see if the problem was with one of the cables that came with the screen and it didnt help. what can i do to fix this?
 

Answer:ASUS 23 Inch LCD Monitor Flicker Ghost Image

Have you tried the monitor on another computer to verify its the monitor and not something with the computer? If the problem follows the monitor you will need to contact the place of purchase or the manufacturer(Asus) for a warranty repair/replacement.
 

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Here is a gif I took of my laptop screen: http://i.imgur.com/7mndwlP.gifv

This happens when I am watching a video in full screen (whether it be VLC, Netflix, YouTube - on Chrome/FF/Edge). I have sent my laptop in once already to get the screen replaced (for another reason, but there was already this problem before), but the issue still pertains.

I have an Asus Zenbook Flip UX360U with Windows 10 x64, Core i5-6200U with Intel HD Graphics 520. All drivers are up to date as well. It's the model with a QHD+ screen.
 

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Hi,

I'm wondering if someone possibly help as I'm not sure where to go next.

I have a Dell U2311H monitor connected to a XFX Radeon 6850 via its DisplayPort and I'm having problems with random flickering where the monitor picture goes black for a few seconds.

I have another monitor, an old HP, connected via DVI and a 1080p Sony LCD TV connected via HDMI.

I have had the Dell and HP monitors connected via DVI for months without any problems but I wanted to extend my Win 7 desktop to all 3 displays and I believe you can't do that using DVI, DVI and HDMI, hence why I want to use the display port.

I have tried 2 different displayport cables, so I don't think it is that. I don't have another gfx card or monitor to try to eliminate from the process.

One thing I did notice is that if I change the resolution from 1080p to 720p it seems to fix the problem. I'm wondering if it could be something to do with the displays running at different resolutions? Although I did try both the TV and Dell running at 1080p but there was still a problem.

Any suggestions greatly received,

Thanks
 

Answer:Display port flicker on Dell U2311H monitor

Hi,

I happen to see this thread when searching for solution for the same problem. I am using 3 monitor display setup, using U2311H connected with displayport to HD 5770 graphic card and 2 samsung 940b monitor connected with DVI to the same HD 5770 graphic card.

U2311H flickers (screen become totally black) for 1 to 2 sec at random times and return to normal.

I did not try any other display port cable yet because I did not have time to buy another one.

Seems like adbarnes have the same problem, I am wondering if it is because we are using 3 display setup? or display port? Or maybe there is something wrong with U2311h?

I have been using U2311H for some time, this flicker problem happens recently.

adbarnes, have you discovered how to solve the flicker problem?

My dell U2311H is using 1920x1080 (recommended) resolution
My samsung 940B is using 1280x1024 (recommended) resolution
(all using the recommended resolutions)
using win 7

Thanks everyone for helping
 

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I just installed a new gigabyte geforce 7600gs agp card,
I have a dual monitor setup, with some big *** CRTs
I had this setup with my older geforce 5500 with NO issues

Everything seems great with this upgrade except for one really annoying thing..
My secondary monitor seems to flicker when i click on certain things, Like nivida control panel, or display properties etc etc.
I'm not making any changes when the flicker occurs, I'm simply clicking the nvidia tray icon

Anyone had this happen? Is there a fix?
If you guys need a big list of system specs I can post them.
But I don't wanna at present (in a hurry)
 

Answer:Geforece 7600gs dual monitor flicker issue :(

Yes, I have the same problem anytime that I touch anything to do with the graphics card the second screen flickers. I'm not changing any resolutions at all
every time it happens I'm just waiting for my card to blow up.
 

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We have 2 new T440p (i7 4800MQ, 16gb, ssd) which we installed with clean Win 8.1 and the newest drivers (intel hd 10.18.10.3345, nvidia 9.18.13.3182).The laptops run on 4 ultra docks with different monitor configurations, mostly dual display, one single display, mostly samsung displays, always one display via dvi, second displays vga as we did not receive our display-port adapters yet).In all configurations we have the same problem: Between every few seconds and about 20 minutes the external screens flicker and get rediscovered. Often this happens in Chrome or when doing some grafic-intensive stuff, but we cannot trace it down. Takes a few seconds to rediscover and all windows not in fullscreen are resized afterwards, because of display resolution detection and mostly we get the Displayport new topology notificiation... Very annoying.We already tried with disabling the nvidia via the nvidia gpu settings and only using hd graphics but that didn't help. A few years ago I had problems with my T400 discrete grafics, but then I could disable it in the BIOS which does not seem to be possible with the T440p... thanks for any tipsAndy 













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Answer:T440p problems with external displays via ultra dock (occasional flicker, reconfiguration)

I have the same problem with my T540p: Ultradocking station and 3 external monitors (no internal) 1x DVI1x HDMI1x VGA Would be great to have any hint!

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Hello,

A few days ago I read here about the final version of dreamscenes being released, so I went ahead and downloaded it from windows update...

Problem is now my secondary monitor flickers every now and then, I have to pause the dreamscene or use another wallpaper to avoid it...

anyone else having this problem?
 

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Hi,
I have a dual monitor setup, and Ive recently bought a Samsung 22 SM226BW monitor to replace one on the two 17 monitors I had before; however ever since I plugged in the new one Im getting this weird flicker on both screens, where it just flashes with what looks like a corrupt image, for literally a few milliseconds.

This only happens once every twenty minutes or so, and sometimes goes for quite a while without doing it, and it never happens on both monitors at the same time, just randomly switches between to two. I did actually time it the other day, and in the course of two hours it did it almost exactly every twenty minutes, give or take a few seconds, which is very odd.

My graphics card is a Connect3D ATI Radeon X1900 XT 256MB, and I have the latest drivers from ATI/AMD.

Any ideas?

Thanks,
Jack
 

Answer:Weird regular (20mins) flicker on dual monitor setup

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Hi,  I'm trying to setup dual monitor for my lenovo T61P laptop. I want to use one external monitor which is connected to my Thinkpad docking station and the laptop lcd monitor. I'm using windows vista x64. Does any one else have it setup this way? When I connect the laptop to the docking station, only the external  monitor displays data. I've tried going into desktop settings to extend my desktop but only one monitor is present. Please help. I've spent an entire two days playing with BIOS settings, searching forums....  













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Answer:T61P - dual monitor with docking station (laptop lcd monitor) and one external monitor

This started working fine when I installed the video drivers below: Display (NVIDIA Quadro NVS 140M / Quadro FX 570M) driver for Windows Vista 64-bit - ThinkPadhttp://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-67939  It looks like I had installed the wrong video drivers (32-bit)  previously. Now fn+F7 works fine and I am able to extend my desktop to mulple monitors (dual-monitor). 

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Hi folks. New here.  Sorry if this has  been asked/answered, but I searched and didn't find it. My company got me this great new W500 laptop.  Came with minidock and external monitor. I have the monitor plugged into the minidock, and have it to the right of the laptop. Laptop is monitor #2, and external LCD display is #2.  works great.  UNTIL.... If I lock the console, and fold the laptop monitor closed (to have it power off - i.e. at lunch break, etc...) When I come back, the external monitor is now monitor #1 (has the windows task bar, Start menu, etc...) and it thinks the laptop monitor is monitor #2.  I can't figure out how to switch them back without rebooting.  It's very frustrating, b/c the 'sides' are swapped too.  Meaning the external LCD display which is physically to the right, is "on the left" as far as Windows is concerned, so if I drag the mouse off-screen to the right of the external display, it arrives on the left side of the laptop (which is physically to the left). Is there a simple solution to this?  I can't live with having to reboot every time I lock my monitor. I'm using Windows XP if that makes a difference.

Answer:Dual Monitor issue. Lock console & external monitor becomes monitor #1

more information... It's the 'advanced minidock' with keys. The monitor is connected via the DVI port, not the plain old VGA port.

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I have an HP laptop and I have been running it with dual monitors. I finally decided to upgrade to Windows 7 and after I installed it I noticed that the built in monitor of my laptop looked strange and when I opened the display settings to change the screen resolution and set the external monitor as a separate monitor rather than a mirror I noticed that only one monitor was detected and it was the external one (Generic non-pnp monitor on standard VGA graphics adapter) and the built in monitor does NOT show up at all.

I've tried the detection button, in hopes that the computer would read the built in monitor and I could fix the problem. This did not help. I tried unplugging/replugging the external monitor to no avail. I tried restarting without the external monitor plugged in and it STILL reads the built in monitor as if it is the external one. Is there anyway to fix this? I have not tried re-installing the OS, not yet anyways.

Any suggestions ?
 

Answer:Monitor Issues - Laptop Reading Built In Monitor as if it were my external monitor.

Only thing I can think of is to disconnnect the external monitor, uninstall any monitors listed and then reboot and hope the computer installs the correct drivers for the laptop monitor.
 

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I am using a 22" screen for my primary screen and the laptop lid open for a secondary screen. The main screens resolution is 1680x1050, I can set it to anything I want and it's always using the full screen. The laptop screen on the other hand will only use the full screen if it's at 1400x1050 resolution (max for that screen, IBM Thinkpad T43). With the large 22" screen I have no trouble reading the screen at high resolutions, the screen is huge, with the little 14" screen though I have to strain to read the screen at 1400x1050.

The problem is when I set the laptop screen to anything lower than 1400x1050, it uses less of the screen. Preferrably I want it at 1280x1024 or 1024x768 (I dont know which I want yet as I can't see the freaking screen at that resolution). At 1280x1024 for instance the useable screen is just a box in the middle, so the "1280x1024" is still barely readable for me cause it's shrunk from full screen, plus it's just annoying only using a portion of the screen.

I have played with the ATI Control Center, the Thinkpad display settings and windows display settings and just cannot get this thing to go full screen at lower resolutions when docked and using the external monitor.

Anyway to resolve this?
 

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So I have been having issues with all my external screens fliscker and generally freaking out anytime i open an application that utilizes the nvidia GPU (K200M in my case), such as Photoshop.  While freaking out the windows, the title bars also get knocked out of whack, for example having transparency just fail for the minimize/maximize/close buttons disappearing to show what is under the window. I have the laptop docked with screen closed and 2 U2212HM connected through the displayport connectors and a third U2212HM connected via VGA.  I dont observe the issues normally on the laptop without the externals hooked up.  I have tried installing the NVIDIA Optimus Display Driver  version 9.18.13.3302 / 8.15.10.2725  which supposedly"Version <9.18.13.3302 / 8.15.10.2725> (Fix) Fixed an issue where the screen of some external monitors might flicker when launching applications."but there is no improvement.  Updating ti the latest Nvidia drivers doesnt help either.

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I can't get the external monitor (aka dual screen) to work on my T60 via the VGA port. My model is currently running Windows XP and has a ATI Radeon X1300 video card. I'm 6 months out of warantee (although this problem started while in warantee but I can't convince Lenovo of that). I've tried the following:- ensuring "extend my monitor onto this desktop" in windows display properties- disabling/enabling Presentation Director and trying all the schemes- setting all different combinations of modes for resolution/colour on both (LCD + VGA) monitor- trying two different monitors and cables (which did work with other computers)- Updating the video drivers (from the Lenovo website) and Presentation Director to the latest versions I then figured it might be a hardware fault, so I tried to see if the external monitor was activated on bootup. I made sure the "LCD + VGA" option on boot was selected in BIOS. Still no joy. Finally, I figured the actual VGA connector was broken so I bought a compatible mini docking station (port replicator) and attached the VGA cable to that and even that didn't work. What on earth could be wrong if it's not the software and not the VGA connector? The video card is working as its powering the LCD display? Is my only option to give it in to repair (I can't afford that)? --MichaelMessage Edited by mstrom on 07-03-2008 04:03 AM

Answer:external monitor simply not working - including with external dock (dual screen)

Hi,Does the external connections and cables work with another system. I'd do that first.If all of it works with another system then it could be drivers or internal things but try that first.There are some driver updates on the Lenovo site. Make sure your BIOS are updated and such.Good Luck, 





ThinkPad T23, 2647 HU8, Based on 2647-8RU: PIII-M 1.20GHz (512KB), 512MB RAM, 40.0GB HDD, 14.1 XGA(1024x768) TFT LCD, 8x8x24x/8x CDRW/DVD, Modem(MPCI), Ethernet(CDC), WinXP Home, Linksys Wireless B adapter.

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Hi, I recently have asked a few places for help with a problem i am having with my new VGA connected led Monitor, AOC E970SWN. I couldn't correctly describe exactly what was happening until i happened upon a video that shows exactly what i am having a problem with, it lists a solution but unfortunately it did not work for me so i am hoping someone else may know a fix.
Would maybe using a dvi-i to vga cable fix the problem?

Answer:Led Monitor /Horizontal "flicker" [Video included]

Forgot to add the video link- click here

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I have a Dell XPS 13 laptop running Windows 10. I have just purchased a Dell U2515H monitor which I am waiting for delivery for as we speak. I believe the monitor has quiet a few inputs however I am not 100% sure which lead to get to connect them both and which port I use on the Dell Laptop. Looking on the left hand side of my laptop there is a port with a lightning sign next to it, is that called Thunderbolt? and is that my monitor/display port? and what lead do I need? it looks like some sort of micro socket!

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