Computer Support Forum

DELL OptiPlex 3046

Question: DELL OptiPlex 3046

HelloNeed pinout for DELL OptiPlex 3046 24 to 8 pin power supply

Answer: DELL OptiPlex 3046

Dell doesn't provide this. Dell Wont provide this. You can buy an adapter that likely works fine. The 4 pin EPS12v motherboard connector is the same. The 24 pin must be converted to 8.
The current moddiy adapter has more than just passive pass thru it has a circuit board with other "stuff" on it.

Dell Main Power 24-Pin to 8-Pin Adapter Cable. YMMV
Seems to be using the Grey PWR Ok, 3 Black Ground Wires, The Power On/Off Green Wire, the 2 12V Wires from the 24 pin and 1 12v Wire from a molex power connection.

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I'm having an issue installing windows 7 on a Dell Optiplex 3046.
everything goes well excepted when i'm trying to install the USB drivers on my computer.
I tried using the windows 7 full package, i tried to download the USB package appart from the others, i tried to get them from Intel and even tried to use windows update to get the drivers from them.
Everytime i get the same result : mouse and keyboard both don't work.
Is there an easy fix i haven't tried yet ?
thanks for yours answers :)

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Hi. This 24pix MINI atx power connector is basically the same as normal ATX connector (bur smaller of course)? At the pin settings is different? Where I can buy 24pix ATX to 24 pin MINI atx adapter that will work with those boards? Thanks.

Answer:Dell OptiPlex 760 (GX760) SFF and Dell OptiPlex 780 (GX780) SFF mainboard power connector?

Moddiy makes this.
Dell 980 960 780 760 PSU 24-Pin to Mini 24-Pin Adapter Cable (10cm)

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Hi, I might be able to buy a second hand Optiplex mini tower and I would like to install the motherboard etc. of my Optiplex 755 SFF.

Wilt thi fit?

The idea is that with the Mini Tower I can buy a better GPU.


Answer:Does motherboard of Optiplex 755 SFF fit in a Dell optiplex 745 dualcore mini tower?

No it wont fit.   The board layout, number of slots etc is different.

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I was planning on buying either a Dell Optiplex 780 SFF or an Dell Optiplex 980 SFF but I would like to know which one will work with Windows XP 64 Bit.

Answer:Will Windows XP 64 Bit work on a Dell Optiplex 780 SFF or Optiplex 980 SFF?

For Windows XP 64 Bit its best to use the somewhat hidden (old ftp website):
This has the old drivers listed of multiple versions including the XP x64 drivers not mentioned on Drivers and Downloads. The new ftp website is slightly broken at present.

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Two drives on system 265GB Samsung on motherboard and 1TB drive internal bay.
Dell installed OS on drive 0 (C) 1TB (slower drive) and the SSD drive(fastest) drive 1 (E) blank empty.
Make no sense to me.

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I have a dell inspiron 23 5348 with defective onboard videochip.. I was looking for a replacement board and I was able to find one but it says it is also compatible with dell OptiPlex 9030?

how true is this? 
can anybody from dell confirm it?  because if I buy the board for OptiPlex 9030 it is a lot cheaper...  I have the i5 model

Answer:Dell Inspiron 23 5348 All In One PC Motherboard is it the same with Dell Optiplex 9030

see this add

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When the PC starts up, the dell loading screen begins. Normally this takes around a few seconds but this time it didn't end. We've tried all the diagnostic tests and they all came back fine. Also tried disconnecting all external cables (ie headphones, ethernet etc). Powered on and off multiple times and no change. 
By the way, I don't know if this is related or not, but last night before the issue occurred, I was randomly logged out. Once it logged me back in, everything was closed and there was a small square of like TV static towards the bottom right corner. I restarted and it fixed the issue there but I don't know.
Thanks in advance, Sean

Answer:Dell Optiplex 9020 AIO stuck on Dell loading screen

Unplug the system and hold the power button for 30 sec.  Then try powering up again.

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Hello, I own a Dell Optiplex 745, running Windows XP Professional 32-bit. The Dell System Direct isn't launching, even though it will download, it says .APPLICATION, which cannot be opened. Does anyone have a fix?

Answer:Dell Optiplex 745 - Windows XP Pro 32-bit Dell System direct issue.

The older versions of Dell System Detect are security risks - if you're running an antivirus program, it may be flagging and intercepting the program.  At any rate, you should NOT be using Windows XP online at this point, as it has seen no security updates in almost two years - you really need to upgrade to a supported version of Windows (at this point, that's a minimum of Windows 7).

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Hello, I own a Dell Optiplex 745, running Windows XP Professional 32-bit. The Dell System Direct isn't launching, even though it will download, it says .APPLICATION, which cannot be opened. Does anyone have a fix?

Answer:Dell Optiplex 745 - Windows XP Pro 32-bit Dell System direct issue.

The older versions of Dell System Detect are security risks - if you're running an antivirus program, it may be flagging and intercepting the program.  At any rate, you should NOT be using Windows XP online at this point, as it has seen no security updates in almost two years - you really need to upgrade to a supported version of Windows (at this point, that's a minimum of Windows 7).

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An access database which has been running for over a year has suddenly stopped allowing more than one user to login at once. If more than one tries they receive an error number 3046 Couldn't save; currently locked by another user.

The backend is an mdb file sitting on an novell netware box (no changes have been made to this server)

I've tried repairing the database, both front and backend, as well as creating new mdb and importing the old databases components.

An old but functional version of the frontend works fine via a citrix server.

Anyone know what could cause this issue?

The MDB is in access 2000 format and access 2003 is used to run the frontend


Doug Quiddington

Answer:Access 2003 - Error 3046

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dell OptiPlex 780 sff freezes on dell splash screen.
tried removing and reseating everything. checked each ram on another pc and they are working fine. reseated processor. removed every peripheral. still no luck. reconnected psu cables too.
1 4 diagnostic lights turned on. no beep
 anyway been able to get pc go past splash screen once after clearing cmos and removing hard drive and optical drive but pc freezed  on bios setup.
please help! is my mobo is the culprit?

Answer:Dell OptiPlex 780 sff stuck at dell splash screen

tmassc,The 1.4 diagnostic led's refer to the following.Power connector not installed properly. Reseat the 2x2 power connector from the power supply unit.You can click the link below to download the online service manual to see where thie power connector is located on the motherboard.Dell Optiplex 780 Online Manual

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My dell optiplex 740 will open windows ,so before this happened,i install windows 7 home premium instead of windows 7 professional.When it didn't install properly,my windows will not open after i restart my PC it keeps saying  The computer restart unexpectedly  or encountered an error.Windows installation cannot proceed.To install windows,click "OK"to restart the computer,and then restart the installation.this message keeps repeating itself every time i boot my pc up.I try to reset my PC factory settings,but it wouldn't work,do i need  to buy a Dell recovery disk to get my PC running?

Answer:My Dell optiplex 740 mini tower wont open windows.It wonnt install keeps repeating the same thing.Do i need to buy a Dell recovery disk?

Sounds like a faulty hard drive is the cause - F12 at powerup.  Boot to the Dell diagnostics and run an extended test (not just the quick test) on the hard drive -- you'll likely find it fails, in which case - replace the drive and reload.

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This is a continuation of my earlier thread which says it is locked:

Alas, the unit recommended to me in that thread is sold out.

I have been looking at similar units of the same model number but, as best I can tell, although they have the same name/model, the Dell Optiplex 780 seems to come in two different case sizes, a MF and a SFF, the SFF being the smaller of the two.

The SFF seem to be the more plentiful and about $50 more expensive, while having only 1TB SATA compared to the MT having 2TB.

Am I right in thinking that there are indeed two case sizes; and, if so, which is the preferable ?


Answer:DELL Optiplex 780 ???

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Hello,I purchased an Optiplex 380 a couple of years ago which came with 2x2GB RAM @ 1066Mhz and now I think time has come to upgrade to at least 8GB. So, I tried a kingston value ram of 4gb @ 1333Mhz and unfortunately it beeped with 1 and 3 diagnostic LEDs lit. I know that the Dell manual says a maximum of 4GB ram but I have seen people here on dell forums running 2x4GB without any problems, so according to my thinking, maybe the bus frequency is the problem? shall I try 1066Mhz? Crucial's site also suggests up to 1600Mhz so whats the confusion here?P.S. I have latest BIOS A07 flashed.

Answer:Dell Optiplex 380 max RAM

Thank you for reaching out.
Did you try 8GB(4+4) or Does it beeps even with a 4GB stick in one slot? 
Try each stick on both the slots, If that fails, you may try 1066 mhz.
P.S:  We haven't tested 8GB configuration on this motherboard from the factory, If none of the steps works, You may have to revert back to 4GB. 

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Question: Dell OptiPlex 960

I have a Dell OP960 That when plugged in will not power on I get a Blinking Amber Power Button and also 1, 3 are also blinking ... I have replaced CMOS battery, Power Supply, RAM ... Would it be the MB that's bad??? 

Answer:Dell OptiPlex 960

Blinking Amber is bad power supply.
Solid amber is Bad motherboard.

1 3   is memory  is detected and its all bad.

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I was wondering could the Dell Optiplex 990 SFF be used as a gaming PC to run to popular titles at medium settings? and what graphics card would i need that could fit in a case that size?

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Question: Dell Optiplex 745

Which graphics card could i use in a Dell Optiplex 745 maybe a EVGA GTX 750 Ti? Or is there somethings different i could use?

Answer:Dell Optiplex 745

It depends on your case, the specific card and the power supply you have.  That card is overkill for a system that old and a CPU like the Core 2 in it.
You'll need the minitower case at minimum (forget about the smaller ones) and may need a new power supply if yours isn't up to powering the card -- or if the card requires a separate power tap, which your power supply will not have.

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I am thinking about a sleeper using some newer parts in it but not to new seeing as i don't have the money so i am going to use what i have laying around. I just want to know what size motherboards can fit and so on so fourth.

This is what i got


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Will putting a MSI gtx 970 oc in my dell optiplex 790 work? And should I get a 500 or 600 watt power supply?

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Question: Dell Optiplex 960

Hi All,
I've recently been trying to build my own budget light gaming PC I've had my eye on an old dell optiplex 960 and I've been wondering whether or not to get it it is the Desktop Tower model im wondering if it has a PCIE slot and if so what version.

Plz Help

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Question: Dell Optiplex 755

I am new to this site, and I am needing some help. I am trying to erase the hard drive on a Dell Optiplex 755 with Windows XP, and reinstall factory settings. I have already reinstalled major drivers once, but the user says that this harddrive is "buggy", and since I'm suppose to be the IT guru he wants me to do a factory reset. My two questions are this. First. Is it Ctrl F11 or F12 that I hold when starting up, and where do i go from there? Secondly. Do I need anything like killdisk or paragon disk wiper pro to fully erase harddrive?

Thanks for youtr help.

Answer:Dell Optiplex 755

Here is the support site for the Dell OptiPlex 755.


Here is the user guide for that desktop.

Expand the "Troubleshooting" menu and then expand the "Restoring Your Operating System" menu.


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Question: Dell Optiplex 760

I did a restart on my PC because I had a virus and I couldn't get the virus off now the monitor is froze on one page 1 screen blue asking questions and with them what does the symbol next down at the bottom and I can't there's no air like a woman who I can't get that thing off there I need help Live Help

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Question: Dell Optiplex GXi

Does anyone know if the Optiplex GXi will work with an 80 GB HD? If not what can I do? That is the size of my extra drive.

Answer:Dell Optiplex GXi

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Posted about this in the linux forum and software forum. My questions related to linux, operating systems and hardware... thus my multiple posts. Hopefully the mods don't get fussy with me. Just hoping to get answers.

I recently acquired 9 Dell Optiplex Gs+ computers. Anyone out there have experience with these things? Apparently they were being used as servers before being decomissioned. I've now acquired them and i'd like to hear from people who have used these before.

I'm posting about these in a number of areas because i've got a number of questions about them. I've already done the google thing and did research on them to see their specs, so i'm looking now to hear from those who have used these before or who may still be using them.

128mb ram max, simm edo
133 to 200 mhz intel processor (socket 7)
Hd space on these things are very small
They have built in 3com nics
Video type SVGA
Video chip set S3 Trio64V+ 86C765
Video memory 1 MB standard, upgradable to 2 MB

1) What are these units commonly used for? These particular units were in use by a local library, although i didn't learn what they were using them for.

2) What windows OS would run adequately on these boxes? I THINK they were running win NT but i'm not sure. How would win98 sport on these things? How would win NT server do?

3) Suggestions on what i could use these for in a network? I'm just looking for ideas... and no... giant paperweights or foot rests are not among the answers i'm loo... Read more

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Question: Dell Optiplex GX1

This probably sounds like a silly question but does anyone know how to take the case off this model of PC. There dosen't appear to be any of the usual screws. It apears to be clipped on but I can't work out how to get it off.

Answer:Dell Optiplex GX1

I think we need some more info. Just done a search, and it's coming up with a Dest Top and a Tower.If it's anything like our Dimension, which is a Tower, I have to lay it on it's side, then there are two bottons, one on the top of the case and the other is on the bottom. Press them at the same time, and pull up. You can not actually take the case off.

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Question: Dell Optiplex 745

When I start my Dell Optiplex 745 on the front of the computer 3 lights appear the hard drive and lights 3 & 4. The hard drive lights goes off but the lights on 3 & 4 remain on and the computer does not boot up. Does anyone know what 3 and 4 mean and how to resolve this problem.

Answer:Dell Optiplex 745

tell us the colour of the light very varge on your need, does the pc beep, any more information that would - HHDGreen - Power yellow - ????ETC

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Has anyone installed Windows 7 on a Dell Optiplex GX 280? I am trying to install and and I get as far as the initial "starting windows" where setup begins at, and I get

STOP: c000021a {Fatal System Error}

Anyone know what is wrong?

Answer:Dell Optiplex GX 280

Press F8 during boot. Select Last Known Good Configuration. If this works, we will take it from there.

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I have a Dell Optiplex 745 SFF with a Pentium D 945 3.4GHz 2x2mb I would like to upgrade the processor to the best possible option but not sure what if any I can upgrade to? 2nd question What would be the best Nvidia Geforce Graphics card I could upgrade this system to? Thank you for any help you can offer!

Answer:Dell Optiplex 745 SFF

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Question: Dell optiplex 755

My dell optiplex 755 sometimes won't turn on, and other times will. When I turn it on by the plug you hear it power on but the monitors just go on standby. But others times it powers on perfectly ? I'm confused!??

Answer:Dell optiplex 755

Hi welcome to TSF

How old is this computer? It could be the power supply going bad.

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Question: Dell Optiplex 520.

What's up? I have this dell computer my friend gave me to fix and for some reason the computer starts up and I try to re-install XP and I get into the set-up screen. It starts to install window and then after a while the green light in the front changes to an orange light and the computer turns off. I tried to switch hard drives and the same thing happens with another drive. I'm thinking it's the motherboard would anyone know?



Answer:Dell Optiplex 520.

have you tried another power supply?

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Question: Dell Optiplex 755

I was trying to install windows Xp sp2 on a Dell computer: Optiplex 755. When the software reach that step: setup starting windows a blue screen display saying windows has been shut down to prevent damage, check for viruses, check your HDrive, etc?
I removed that HDrive, and I installed to another Dell computer same type (Optiplex 755) I started the process of that windows Xp sp2 (installation) everything was fine. Now I switch back the HDrive to the first Dell Optiplex 755. I power on it started loading properly when it?s about to reach the screen that has the recycle bin. The blue screen display again with the same message, windows has been shutdown to prevent damage etc?, at this point which one to accuse the memory or the Bios, any help will be greatly appreciate.

Answer:Dell Optiplex 755

That PC uses SATA drive controllers . . Installing XP on a SATA drive requires an additional step:

However, Most newer BIOS allow an Alternate method for SATA . . Go into the bios and check the "Sata Operation" setting,

change it to "Raid Autodetect/ATA if it is not already. Now try to install XP ( could be IDE Mode, Compatibility Mode or Legacy Mode - different BIOS use different terms )

some will say IDE instead of ATA)

If there are no such settings you'll need to slipstream the sata drivers on the XP CD, follow the instructions in this guide :


You can get a reinstallation guide specific to your Dell here

Are you using the Dell Reinstalltion disc? . . if so is it SP3? Those have the Intell SATA drivers

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hi there My dvdrom hardware seems to be acting weird it will eject but will not play or autoplay the discs,
it just simply does not detect any discs are present

Answer:dell dvd rom 745 optiplex

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The screen resolution in this PC does not seem to allow me anything else other than 648 x 480 an it is too large. I have another monitor and it is exactly the same. Is it the dispay card that is fitted. I also have a Radeon 9200 SE but there the slot type is not available on the motherboard to allow me to fit it??

Answer:Dell Optiplex GX 60

Please keep to one thread!

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Question: dell optiplex 745

i have a dell optiplex 745 with windows xp sp2 installed i want to format the drive and make 2 partitions and run xp pro sp2 on 1 and vista buisness on the other but when i put my windows disc in it wont allow to delete the partation b/c it says it contains files needed for the system so any ideas of a way around this????

Answer:dell optiplex 745

If you read through this it will help.

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I have a dell optiplex Gx 270 it powers up but with no dislay on the monitor boots up and from the on board speak you can hear that Windows xp has loaded but still displays nothing. I have change my ram, i have tried a pci display card, but still to no avail and i have also tried heating the display chipset on the board and still have same redults someone please help.

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I need information about the following:
I owe a Dell Optiplex 745 sff running Vista Business,
hard disk is a 80 Gigabyte sata
The hard disk is almost full and I wish to take it out and replace same by a 2.5" sata hard disk.
Can anyone tell me whether this is possible and if so how to go about it?
Because it's a small form factor it can only hold one hard disk.
Your advice will be highly appreciated and thank you beforehand.

Answer:Dell Optiplex 745 sff

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Hi!. I got a not so new Dell optiplex 745 with a old Intel Pentium 4 530 @3.00Ghz with 1gb of sYstem RAM, a 80gb seagate hard drive, a 305w power supply And integrated intel gma 3000 graphics, my question is, Can i replace the old Pentium 4 that is 90nm with a Pentium e5500 or a Core 2 Duo e6750 that are 45nm? also, i will buy a geforce gt430 and a 2gb dual channel ddr2 memory. does the power supply support these three components? also is this a good computer or should i buy a motherboard and install everything from the start?

Answer:Help With Dell Optiplex 745

Minitower Optiplex 745:
Supported microprocessor types: Intel® Pentium® 4, Pentium® D, Celeron®, or Core™ processor
DDR2 RAM should be installed in matched pairs so you'd need to install 2 of them. But there's no point installing 4 GB of RAM with a 32-bit version of Windows which can only use ~3.0 - 3.5 GB of RAM. Note, this system supports 2 GB RAM modules but only those running at 533, 667 MHz. It doesn't support 2 GB modules running at 800 MHz, but apparently will support smallar modules running at 800 MHz.

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HI all I came across a dell optiplex 780 mini tower last week for $50 with the q45 express chipset and the LGA 775 I'm am wanting to mod/upgrade it in anyway to make it perform better and look better.
also I need ideas for case mods for the same computer and any other mods that I can do to it.
I allready own a really nice gaming pc but would be nice if I could do a little gaming
Any input is helpful

Answer:Dell optiplex 780 mt

There's not much you can do with these as far as gaming goes - the power supplies are not going to handle demanding video card, and the chassis and mainboard are both proprietary.  
It'll perform just about the way you expect a nearly decade-old system to perform -- if you want the best you can do within the limits of a decade-old processor, replace the hard drive with a solid state drive.

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Hello I have a dell optiplex 755..

I have 2 gigabytes of ram
I have 256 mobile intel graphics card
I have a dual core 2 duo processor

I want to buy a new graphics card but i cant decide what to get and i dont know wheather it is a ddr2 or ddr3 ... i want a graphics card for good games like NFS all the new versions and some other good new games ..

Please i need ur help asap .. Ty


Answer:Help with Dell Optiplex 775

I couldn't find a place to install a graphics card on the motherboard, can you?

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Hi guys I need some help please my dell optiplex 745 sff will not boot up just amber light at points abcd and real loud fan

Answer:dell optiplex 745 sff

my guess would be that this was after some kind of storm or power surge. can you see the bios loading? in order to diagnose this you will have to have parts that are known to be good and go through the machine one piece at a time. The main suspects right now is the power supply, CPU, or the mother board. Do you get any audable beeps when it is trying to start up?

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Hi everyone,

I have been looking up about getting a replacement for my existing CPU which is an Intel Core i5 (Version: 2400) and upgrading to the new Intel Core i5 4460 which does support HD better for what I needed, such as movies and gaming (I only need up to 60FPS).

But other than that, I have been looking either at a portable GPU. The GPU is called a Zotac GeForce GTX 960 4GB (from NVidia). I just want to know if this will fit and will it work well with my PC?

I just want to know if the new Intel Core i5 4460 will fit in the Optiplex 390's motherboard, the same for the Zoatac GeForce GTX 960 4GB GPU.

But I would be interested to see what you have come up with any other CPU/GPU recommendations for this Dell Optiplex 390 Desktop.

Many thanks,


Answer:New CPU/GPU for Dell Optiplex 390

Because the optiplex comes in three form factors, which one is it? The Desktop ones? or the smaller one?

Anyways, to be able to upgrade to a Haswell processor you'll need a new motherboard aswell (Those with H81 chipset will do). The Zotac GTX 960 will work provided you have enough juice from the PSU to be able to supply the graphics card

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Hi all,
I've got a Dell Optiplex desktop (DT) 755 at home which I'm in the process of converting into a PFSense router and firewall. I've got gigabit fibre coming in, and I'm noticing throttling at around 700mbit speeds, which I believe is down to the PCI bus.
Question is - can I use the PCI-E x16 in PCI-E x4 mode for a network adapter instead of a video card? Would an Intel EXPI9402PTG2L20 Intel Dual Port Gigabit PCI-e Network Card SFF fit the bill and what can I expect in terms of speed? Even PCI-E x1 would suit my purpose.
Any experience doing this would be helpful, I'm on latest bios version A21

Answer:Dell Optiplex 755 PCI-e

No you can only use the X16 slot with video cards.
if you put a NIC in you will be greeted with this.

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Question: Dell Optiplex 260

I have a dell that does not read the cd-rom. In bios it reads "cd-not installed. Does that mean adding text to a file? Look at photos

Answer:Dell Optiplex 260

It displays "cd-rom device NOT installed". So the drive is faulty or not connected properly.

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Question: Dell Optiplex 780

I like my ten year old computer.  I've tossed the original 250G HD (and Windows too) in favor of a 1000G HD with Linux Mint 18.1.  It behaves perfectly and is quite fast.
I greatly appreciate the quality of the case.  Nice metal which is easy to open without a screwdriver.  But I have some questions.  I understand the maximum RAM is 8G.  Does anyone know if this is true because I want the maximum whatever it turns out to be.  
I rescued this computer from recycling and bought a new monitor for it.  Why anyone would throw away such a nice computer is a mystery to me.  Sure the display output is analog but there are two unused PCI slots.  I can add a digital card with HDMI plug I think without using an external converter which requires it's own power source. This way I can use my smart TV as a monitor.  Do I need a wireless card?  If it were a laptop I'd say "yes" but since it will never be moved around why bother?   I will add a graphics card though to get a visual boost.  I have no need for a high end gaming machine.  I'm in my 70s and low end games are all I can manage.  Besides I do not care for the violence that most of them seem to thrive on. 
If anyone can verify the max RAM I will be grateful.

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Question: dell optiplex 320

It's an older dell (Optiplex 320 3mhz single core w 2 g ram) with onboard graphics. Want to put a 256 or 512 mb pci e card in as an upgrade. Any economical suggestions?

Answer:dell optiplex 320

Do you have the Mini tower or the desktop model 320?

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Question: Dell Optiplex

Hi everyone

I have inherited a dell optiplex from work and was trying to get it going for my sons computer games. The hard drive has been cleaned so it has no operating system on it. Also, the boot sequence is set to cdrom first and I have the windows 2000 cd in the drive. But when I boot up I always come to a screen that says "Strike F1 to retry boot, F2 for setup utility". I am not sure what to do to get around this. Any ideas??


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Question: Dell optiplex 390

I am using Dell optiplex 390 we wanted to know that in Serial port which is connected in cpu for db9 contains full handshaking i.e wheather it supports UART TX,RX,CTS&RTS functionality.
Thank you,Deepanraj.A

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hello all I'm trying to help my uncle out on this machine. Every time you turn it on a boot screen comes up F1 to boot F2 to run setup can anyone help me stop this boot screen from coming up everytime?

Answer:Dell optiplex 745 2 duo

When was last time motherboard battery was replaced?
What version of Windows?

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I just purchased a (barely) used Optiplex 960 from my office (my employers often sell used equipment to employees if they want to get rid of it).  It's in great shape, clean, and all the hardware seems to work, except for the fan speed controller.  I know it's supposed to adjust the speed of the cooling fan depending on how hot the CPU is getting, but it's not doing that.  The fans seem to stay on low / medium speed even when the CPU is pushing 70 degrees C according to Speedfan...which is WAY too hot.  The only way I can get the fan to speed up is by disabling the auto-speed control in the BIOS and leave it on 100% constantly. 
Anybody have any suggestions?  Is the temperature controller damaged, or do these systems normally run hot?  Thanks!

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can i OC a Dell OptiPlex G1? it's a 400mhz celeron i there anyway to OC this beast?

Answer:OC a Dell OptiPlex G1?

i'm pretty sure Dell keeps there processor speeds locked.

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Trying to fix this thing up for my grandaughter. It has a 200 mh. processor 128MB ram and a 40GB hard drive. Now it seems that the mb. drive controller is inop. At least that is what it says when I try to boot. I was told that it wouldn't support the 40 GB drive anyway so I bought a PCI ATA card. By the way I installed a 6GB. drive to see if the MB.would boot it,and it said the same thing. How can I get it to boot? It seems impossible because I need the PCI card to get to the drive and the system needs the driver for the PCI card to run the drive. Is there any chance???

Answer:Help Dell Optiplex GXi

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just as the title says .
i just want to know if nvidia geforce gts 450 is compatible w/ my dell optiplex 780

here are the specifications of my desktop.

MS Windows 7 Ultimate 64-bit
Intel Core 2 Duo E7500 @ 2.93GHz

2.0GB Dual-Channel DDR3 @ 532MHz
Manufacturer Kingston
Max Bandwidth PC3-10700 (667 MHz)
Type DDR3
Size 2048 MBytes
Channels # Dual
DRAM Frequency 532.6 MHz
CAS# Latency (CL) 7 clocks
RAS# to CAS# Delay (tRCD) 7 clocks
RAS# Precharge (tRP) 7 clocks
Cycle Time (tRAS) 20 clocks
Command Rate (CR) 1T
DELL E1910 @ 1440x900
Intel(R) Q45/Q43 Express Chipset (Microsoft Corporation - WDDM 1.1)
Intel(R) Q45/Q43 Express Chipset (Microsoft Corporation - WDDM 1.1)
313GB Seagate ST3320418AS (SATA)
SoundMAX Integrated Digital High Definition Audio

Name DELL E1910 on Intel Q45/Q43 Express Chipset (Microsoft Corporation - WDDM 1.1)
Current Resolution 1440x900 pixels
Work Resolution 1440x860 pixels
State enabled, primary, output devices support
Monitor Width 1440
Monitor Height 900
Monitor BPP 32 bits per pixel
Monitor Frequency 75 Hz
Device \\.\DISPLAY1\Monitor0
i dont know anything about computers, so i just copied the specifications of my desktop using speccy ..

thanks .

Answer:is GTS 450 compatible with Dell Optiplex 780

The power supply is the problem. Only 255W in the desk top version. The GTS450 needs one 6 pin power cable and it is very unlikely your PSU has one.

OptiPlex 780 Desktop Details | Dell

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I have a Dell Optiplex 990 SFF desktop pc.  It currently has USB 2.0 ports.  Can I upgrade these to USB 3.0?
Will my motherboard support it?
My pc has a Intel(R) Core (TM) i5-2400 CPU @3.1GHz and I'm running windows 7 if that helps.
I have no idea how to check.

Answer:Dell Optiplex 990 Upgrade USB?

The existing ports cannot be upgraded.  You will need an open PCIe slot that can hold a USB 3.0 controller if you want to add USB 3 ports to the system.

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Hi GuysChecking out a ram upgrade for the above comp.Through Dells site it recommends kingston 256 meg ram for 56.82Is this the only ram it will takeThanksBillybear


Kingston is obviously one of the best, but you can use other cheaper versions that are the same pins and speed. As with all things, you get what you pay for. If you are looking to make a saving you could also do a search on ebay for the kingston RAM

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I have below pcu
Dell optiplex 760
Intel core 2 quad 3.0 GHz
4Gb ram
580 GB hard disk
I need to upgrade my pcu.
I have heard that branded CPU like dell dosent support other power supply (PSU) apart from their own. Is it true ? I need to install PSU OF 450 VOLTS

Answer:Psu upgrade on dell optiplex 760

CPU PCU PSU? 450volts?
if you want to upgrade a power supply unit for a dell the it will be 230 volts(UK) but you may need 550 watts or more.
Dell have tended in the past to scrimp on their PSUs and make then a non standard dimension thus making them difficult to find a replacement.
The optiplex 760 comes in two sizes, standard ATX and min atx, what size do you have?

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So I scrappedited a motherboard and cpu for my personal rig, but when I went to put the front panel power switch and lights I realized that the case I took the mobo out of only used a 5 pin wiring for the power switch, hddled, reset switch and pled, where as this case uses 8 pins for it.
In the top right of the mother board it has the 5 pin connector labeled pwrswi but on the lower right (where the front panel things would usually connect it is labeled ledhi. Any idea as to how I am supposed to connect them

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Last night I opened it up to see where a second drive would go and I don't really see an obvious spot for one. Nor do I see connectors around where the current hard drive is. Does anyone know if this PC can accept a second HD?

Answer:Add a second HD to Dell Optiplex GX280?

It can if you remove the floppy drive and mount the hard drive in that spot. You'll need to use an IDE cable with two connectors and use it for the CD/DVD and the new hard drive. I don't recall if there was a SATA connection on the motherboard, if so that would be the way to go.

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I am using A Dell Optiplex GXi to build a Smoothwall. I didn't have a keyboard to go with it. Can I use any keyboard with it?

Answer:Keyboard for Dell Optiplex GXi

This is the description of the keyboard port

PS/2-style keyboard
(1) 6-pin mini-DIN

That's the most common type, so you shouldn't have any problems. If you have a keyboard with the larger plug there are adapters. USB ports are available so that's an option also.

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I am at work trying to rebuild a Dell Optiplex GX260, My Windows 2000 SP2 CD that came with it, appears to have insufficient drivers for it. Primarily for the NIC or Ethernet Controller.

Is an Ethernet Controller a NIC?

Any tips where I can get drivers? I cant find any on the dell site.

I also don't have access to a windows XP cd that may have drivers on it.

please give any insight

Answer:Dell Optiplex GX260

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Hello i got this dell optiplex gx 260 and i have this monitor well its a tv which i use for monitor and it loads the dell logo but then after that the screen turns black, so i got my old old old.... monitor a Amptron and i was able to see it fine, so any help here? the tv is a toshiba

Answer:Dell Optiplex GX260

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Hi All,
I currently have a problem with my computer. Seeing i'm a beginner i have no idea how to fix my problem. Hopefully there will be enough info below for somebody in the know to help me solve my problem.
I have a Dell Optiplex GX270 Desktop, O.S Win XP pro SP2, 533MHz Bus 256MB Ram.
I recently installed new ram 2x512, The ram specs where provided by Crucial memory's patch. The ram specs where DDR SDRam PC3200 400MHz 64x64bit CL3. the computer was running fine after i installed the memory for a bit over 24 hours. I had received an email at that point i got an error screen telling me to restart my computer in normal mode if this was the first time i had seen this message. This information was on the screen, Error Signature
BC Code:1000008e BCP1:C000005 BCP2:B59923D8 BCP3:B69157D8 BCP4:00000000 OSVer:5_1_2600 Product 256_1
*** STOP 0x00000050 (0xE01748F8, 0x00000001, 0x8054B339, 0x00000000
I restarted it but it froze halfway through the bios loading. I restarted again it started power on but nothing else and the screen stayed on stand-by. I restarted again it showed n-vidia card and nothing else. I tried booting it from CD it did'nt respond just a black screen. It was suggested to try removing the new hardware and reinstall it again, i did but no success. i got a screen saying ; Alert previous attempts at booting this system have failed at chec... Read more

Answer:Ram troubles with Dell Optiplex

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Hello! I want to upgrade to DELL OptiPlex 760 (service tag
<ADMIN NOTE: Service tag removed per privacy policy>
1-replace the HHD drive on the SSD.
2 - replace the E6600 on CPU Q9550S.
3 - to add 4 more GB of RAM.
Version BIOS - A16. All the latest updates for your computer installed.
Questions: 1 - the PSU should be changed? 2- it is possible during the update do not use the fan HHD disk? 3- possible such an upgrade and have all the systems to work stably?
Thank you for your time. Best regards, Sergey. Sorry for bad English.

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Dear all,
Good afternoon. I would like to check on where can I buy a PSU for a Optiplex 390 SFF?
My warrenty is already over and I know it is the PSU that is faulty as I did some testing with another working PSU and hence I need to replace the PSU in order to get the desktop up again.
I did a email to <ADMIN NOTE: Email id removed per privacy policy> to request for a quotation for the PSU but no replies.
Any help here will be appreciated.
Thank you.
Best regards,Peter

Answer:Purchase for Dell Optiplex 390 PSU

<ADMIN NOTE: Broken link has been removed from this post by Dell>
Also here:

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Had to reinstall Win 7 due to bad virus. Frank sent me a list of drivers which I burned to disc, however, I cannot decifer some of them as they are a lot of letters and numbers. All I need is the following if someone can help:

PCI serial port
PCI simple communications controller
SM bus controller.

Went to Dell website but couldn't find or couldn't figure out what I needed on there. It showed a bunch of drivers that I really didn't need.

Thanks in advance!

Answer:Need 3 drivers for Dell Optiplex

click start > run > sysdm.cpl > hardware tab > device manager > check for yellow triangles. Those are the drivers you need. When you find a yellow triangle, check out the hardware ID's on the driver details tab; it should look like PCI\VEN_8086&DEV_24DF&SUBSYS_01681028&REV_02.
The VEN_ is the vendor ID, the DEV_ is the device id; enter both of them at That will give you the details you need to track down the driver. Don't hesitate to post back here; it's a lot to swallow at once.

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I'm thinking about getting a low profile 2gb gddr5 Gigabyte GeForce gt 1030 and putting into my dell optiplex 780 sff. The card itself is single slot and comes with a low profile bracket. What do you guys think? Will it work?

Answer:GT 1030 in a Dell Optiplex 780

Check your power supply and compare the cards requirements. Optiplex models have low watt psu. Yours is only 235w, not enough for that card.

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I have a Dell optiplex 745 with pentium d 3.4ghz. recently i began getting blurring and horizontal line on screnn which rectify when disconnecting ad reconnecting the monitor. It has now died. First the thrid warning light was not showing which think indicates a graphics problem which is integrated. i am now getting nothing fromm it. The fan comes on and the motherboard light but no output whatsover. The standby button has gone from green when working to orange which i think indicates a problem?? Any advice to whether it could be a motherboard/ processor or other problem would be greatly appreciated

Answer:dell optiplex dead?

First off, the amber light on the monitor means simply that the monitor is turned on but not getting a signal from the computer. So, I think your problem is in the computer.

These are the possibilities as I see them in roughly their most likely to least likely order:
Bad power supply
Bad video card
Bad main board or processor or both
Bad memory chip

disconnecting ad reconnecting the monitorClick to expand...

Disconnecting and reconnecting a digital monitor can fry a main board or processor.

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I can install 2x8 GB of memory?

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 I have a Dell Optiplex 755 mini tower and the past week or so there has been a ticking noise coming from the cpu fan area. I am not getting an error code when running diagnostics, it honestly just sounds like something is in the way causing the noise. I want to remove the fan and try cleaning it, but I have never done this before do not want to damage my cpu. I have looked on the Dell site trying to find maybe documentation on how to do this, but can not find anything and i dont have warranty any longer.
Does anyone know of a site or where on the Dell site to find documentation/videos on how to remove a cpu fan in a optiplex 755?

Answer:Dell Optiplex 755 Removing CPU Fan

valley_girl1919,Start here for the Optiplex 755 user guide. Choose the appropriate chassis type from that page then proceed to the Removing and Replacing Parts section. You shouldn't have trouble locating instructions for how to remove the CPU fan there.

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I have a Dell Optiplex GX260, when I turn it on I get the message "strike F1 to retry boot, F2 for setup utility". I cannot get pass this screen. What could be wrong with this system.

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I have a Freecom DVD burner (firewire)which turns out not be fully compatible with the Dell Optiplex (free com admit this and recommend getting something different!)So does anyone have any suggestions for a really good DVD burner (DCD-R) that will be compatible and that gives a good performance. Any one got experience of a Lacie version?Advice or suggestions welcome

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At work we have 3 Dell Optiplex GX270's purchased from an ICT equipment recycler. They came from the supplier with a fresh version of XP Pro installed on them, and the XP Pro Dell OEM COA on the side, and i therefore assumed they were legal.

I have come to fresh install XP Pro on them, and the OEM disk the vendor supplied will not allow me to enter the COA off of the side as a valid Windows XP Key.

What version of Windows XP Pro do i need to source to allow me to use the COA off of the side of the tower?


Answer:Dell OPTIPLEX GX270 + XP Pro COA

Any Dell Reinstall CD that is XPSP2 should work. Since it is OEM it will not work with Retail disks or Upgrade disks.

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I have a dell optiplex 780 small form factor pc with core2duo e8400 4gb ddr3 ram ,sapphire ati radeon hd 5450 1gb ddr3 graphics card and stock 235w psu. I'm going to upgrade my gpu this is what i found,
It is a perfect fit for my pc. low profile,single slot with only 38w tdp.will this card work on my pc?

Answer:Nvidia Gt 730 with Dell Optiplex 780

I think it will since i have a gt430 installed which has a higher tdp 49w. What i actually want to know is if i can upgrade to a gtx 750 or 750t1 with 55w 60w tdp

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I have a dell optiplex 755 with 305 watt Power supply, Intel core 2 duo E7400 and a 2 GB Ram...i wanted to know weather my board is compatible wirh Nvidia GTX 460.. Thanks..Also plz telll me how to convert VGA into DVI..


Answer:Dell Optiplex 755 -- can I install a GTX 460?

Hello maaz, I do believe a GTX 460 would fit inside of the case, but it would be a tight fit, also, you'd need to upgrade your PSU to handle the new GPU.
How much are you looking to spend?

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The motherboard in my Dell Optiplex 760 needs replacing.  There is no fault with any other component.Dell UK will not help me because apparently my computer is a non-retail model (I bought it from eBay around 15 months ago).
There are so many Dell repair agents here in London but ALL of them only offer their service for Dell laptops.
Other repair facilities appear reluctant to take a Dell computer apart, supposedly because Dell computers are "unlike" other computers.
There are two options I would willingly consider.
1. Have the motherboard in my existing computer replaced
2. Find someone to remove the Hard Drive, copy a small amount of the data on the Drive (specifically the four folders - Documents/Pictures/Music/Videos) onto a USB stick allowing me to then dump my Dell Optiplex 760 as a bad experience and invest in another make of co9mputer.
What I need is the address of any repair outlet in Greater London that can perform either of the two.  Any assistance would be much appreciated.

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I'm new here & no computer savvy. I bought this Dell windows 10 optiplex 760 & thought everything would run great, but it cannot run games. It says my drivers are out of date & I cannot update them because they are not compatible with windows 10. The error message says CPU unknown? Pixel format not accelerated, outdated video card drivers. No OpenGL context found in the current thread.
Im not sure if I can upgrade my video card, or CPU? Here are my specs:

Operating System: Windows 10 Pro 64-bit (10.0, Build 14393) (14393.rs1_release.161220-1747) Language: English (Regional Setting: English) System Manufacturer: Dell Inc. System Model: OptiPlex 760 BIOS: Phoenix ROM BIOS PLUS Version 1.10 A16 Processor: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz (2 CPUs), ~3.0GHz Memory: 4096MB RAM Available OS Memory: 3932MB RAM Page File: 2362MB used, 2273MB available Windows Dir: C:\WINDOWS DirectX Version: DirectX 12 DX Setup Parameters: Not found User DPI Setting: Using System DPI System DPI Setting: 96 DPI (100 percent) DWM DPI Scaling: Disabled Miracast: Not AvailableMicrosoft Graphics Hybrid: Not Supported DxDiag Version: 10.00.14393.0000 64bit Unicode

Card name: Intel(R) Q45/Q43 Express Chipset (Microsoft Corporation - WDDM 1.1) Manufacturer: Intel Corporation Chip type: Intel(R) 4 Series Express Chipset Family DAC type: Internal Device Type: Full Device Device Key: Enum\PCI\VEN_8086&DEV_2E12&SUBSYS_027F1028&REV_03 Device Status: 0180200A [... Read more

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I've tried disabling the Autosleep/powersaver on a Dell Optiplex GX, with no luck. Any clues?

Answer:DELL Optiplex GX AutoSleep

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can the power supply  be upgrade in the Dell OptiPlex 790 mt ?

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Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.
Locale ID: 1033

Additional information about the problem:
BCCode: 116
BCP1: 862B0280
BCP2: 8FE259B0
BCP3: 00000000
BCP4: 00000002
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

Files that help describe the problem:

Read our privacy statement online:
Windows 7 Privacy Statement - Microsoft Windows

Answer:BSOD on my dell optiplex 380

Your graphics card driver seems to be the problem here:

* *
* Bugcheck Analysis *
* *

Use !analyze -v to get detailed debugging information.

BugCheck 116, {8601a410, 8ea1e9b0, 0, 2}

*** WARNING: Unable to verify timestamp for igdkmd32.sys
*** ERROR: Module load completed but symbols could not be loaded for igdkmd32.sys
Probably caused by : igdkmd32.sys ( igdkmd32+119b0 )

Followup: MachineOwner
Driver Reference Table - igdkmd32.sys
Looking at the time stamp on the driver we can see that it ipre-dates windows 7 and needs to be updated:

kd> lmvm igdkmd32
start end module name
8ea0d000 8ef0a000 igdkmd32 T (no symbols)
Loaded symbol image file: igdkmd32.sys
Image path: \SystemRoot\system32\DRIVERS\igdkmd32.sys
Image name: igdkmd32.sys
Timestamp: Wed May 06 14:13:40 2009 (4A01D354)
CheckSum: 0048DF97
ImageSize: 004FD000
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
Please update the driver from here:

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Sometimes when I turn it on, the power button light is dim gold, it blinks along with a blinking green light on the zip drive. At other times I get it to boot into windows(XPpro). Could it be the power button, it's like an art to turning on this thing.

Answer:Dell Optiplex gx240

You may have a motherboard with bad capacitors. A Google search turns up a number of hits with people having that problem with certain production runs of Dell Optiplex models.

With the computer turned off, look for any electrolytic capacitors (shiny aluminum cans with heat-shrink plastic covering) that are bulging or oozing liquid.

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Hi i have just got a Dell Optiplex GX280 PC I have just Reformatted the Hard Drive and install my firewall,Anti-Virus and Counter Strike: Source. when i start playing Counter Strike: Source it is very laggy and slow. i dont have a clue why this happens my old pc is crap and still plays this game and this is newer and faster. I have my spec bellow for my new pc:

OS Information:
OS Name Microsoft Windows XP Professional|C:\WINDOWS|\Device\Harddisk0\Partition1
Service Pack 2.0
OS Manufacturer Microsoft Corporation
Windows Directory C:\WINDOWS

Current Clock Speed 2793
Description x86 Family 15 Model 3 Stepping 4
Manufacturer GenuineIntel
Name Intel(R) Pentium(R) 4 CPU 2.80GHz

Current Clock Speed 2793
Description x86 Family 15 Model 3 Stepping 4
Manufacturer GenuineIntel
Name Intel(R) Pentium(R) 4 CPU 2.80GHz

Memory (RAM):
Bank Label
Capacity 268435456

Bank Label
Capacity 268435456

Total Memory Deteced in Hardware: ~512 MB
Memory Reported to Operating System: 502MB

Disk Drives:
Description Disk drive
Manufacturer (Standard disk drives)
Model ST340014AS
Media Type Fixed hard disk media
Size 39999536640 (~37 GB)
Number of Partitions 1

Installed Printers:
Name hp deskjet 970c series
Port Name LPT1:
Default True
Driver Name hp deskjet 970c series

Manufactu... Read more

Answer:Help with Dell Optiplex GX280

after you reinstalled windows did you load the motherboard drivers and other drivers fromt he dell resource disk? are there any devices in device manager that have a yellow question mark or yellow triangle with a black exclamation mark inside them next to them?

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Can anyone tell me where I can get hold of ahandbook for my computer? I`ve had no help fromDell, or from where I got the computer. Help!!

Answer:Dell Optiplex G1 handbook.

click hereFrom the Dell support website

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Question: Dell OptiPlex 3020

Dell OptiPlex 3020, steady orange LED on motherboard and no Light indication on power switch. shows no display on the monitor. fan starts as soon as i connect the power cable. i cant switch off the desktop using the power button, i have to remove the power cable. the orange LED stays on  for a short while after removing the power cable then goes off. problem just started suddenly and dont know if the motherboard or power supply is the problem. kindly help

Answer:Dell OptiPlex 3020

Check the power supply BIST (Built In Self Test). Does it pass? Click here for more data = Diagnostic LEDs for the OptiPlex series (2012 to Present)

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hi i recently bought my new dell but it isn't as fast as id like. It was refurbished (bought from new egg) it was a good price and i kind of fell in love with it. id rather upgrade before dumping it but i also don't have a million dollars. My specs i suppose you'd call them are as follows: Dual core 3.00 ghz, 8gb of ram, 1tb of space, gpu Ati radeon HD 5450, 64 bit amd. Id assume it'd work for gaming and streaming but i cant figure out if just need a new graphics card or should i look at anything else. I'm new to this but I'm good with my hands and google has all the technical info I'm just looking for an opinion please and thank you. Any and all advice is appreciated. Please no just get rid of it comments unless there is no saving grace. Thank you again.

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Just installed dual video cards in two computers. No problems for about two weeks but all of a sudden, both computers are continually re-starting themselves.

Answer:dell optiplex 745 keeps re-starting

probably stressing the power supply. take 1 outlarry

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I have a dell optiplex gx620, and dell claims that with the cord It came with I can hook up 2 monitors, and have a multiple monitor split. The adapter splits from a dvi port on the desktop to one vga screen and one dvi screen... I only have 2 vga screens though... How can I hook up both monitors to the one dvi port? I have dell optiplex gx620 ultra small form factor computer.

Answer:Dell optiplex gx620

You have one VGA port, unless you have a video card in there. One source only. IIRC, there were y-cables, but I think those were for mirroring the monitors.

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Hi all
I'm having a problem in installing windows on my "dell optiplex 760 desktop".
it gives me a message that bios is not installed & it refuses to start even windows xp after copying the files to the hard desk giving me the usual blue screen.

Any ideas

Answer:Dell Optiplex 760 OS problem

Replace the CMOS (silver coin battery CR2032) on the motherboard...

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This is where it all began:

I liked it so well that I have just received our second identical one from JSM Computers

I wanted to be sure and get Windows 7 Pro and not that Win 10 junk.

Now I need to round up another video card and a 3.0 USB card and we will be all set.

Thanks to Frank Flavallee for pointing me in the right direction.

Answer:Got another DELL Optiplex 780m


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Does this (Chinese) PSU   PCF 500 Watt fit and work properly in a Dell Optiplex 755 MT?

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Hello i have a dell Optiplex 760 full size desktop and motherboard model number is 0M858N and i was wondering if i could upgrade to a core 2 quad? and what is the fastest core 2 quad i can use?

Answer:Dell Optiplex 760 Upgrade

The Optiplex 760 with the 0M858N motherboard does support the following Q9550, Q9650, Q9400, Q8300 and Q8200, Core 2 quad processors.
Prior to installing the processor, check that you have the latest BIOS version installed, with version A11 updated Intel Processor's microcode was added.Bev.

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Question: Dead Dell Optiplex

Hi optiplex gx150 desktop (Not SFF) was working fine till I switched it on this morning and ...not a flicker.On opening the case the motherboard dinky light is on but the fans not working....I disconected the fan plug and tested the pins but there is no return current from the loom.Also my monitor power light comes on at startup but switches to amber sleep mode after about 5 seconds so I'm assuming there is no signal from the motherboard.I removed the cpu and that hasn't altered anything so I dont think it's that.Did I say that the pc power light does not come on either and their is no sound (Beeps) or any other aparent sign of life. Is there any way to confirm that the mobo has given up the ghost?Gawsworthboy.

Answer:Dead Dell Optiplex

Are you sure it's not your power supply....TT

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