Computer Support Forum

Satellite L30-SL33 : Unknown device after pluging external device to USB

Question: Satellite L30-SL33 : Unknown device after pluging external device to USB

Dear All,

I bought a Satellite L30-PS33 with Vista but due to driver issues with my existing peripherical equipments, I decides to change from Vista to XP.
I have a problem with internal HUB usb, even if the installation is OK with windows XP generic drivers when I plug an USB devise, I have the message: Unknow device.

Can you give a link to find the good drivers I have to use in my computer?
It's very difficult to use a computer without any USB equipment?

Thank you and I hope you have any solution for me.

Best regards.

Chris

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Preferred Solution: Satellite L30-SL33 : Unknown device after pluging external device to USB

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link http://downloadreimage.com/download.php. (This link will automatically start a download of Reimage that you can save to your computer.)

Answer: Satellite L30-SL33 : Unknown device after pluging external device to USB

There are no USB drivers for any Windows operating system.
Fact is that USB driver are a part of the Windows system and you will not find any 3rd party drivers for a USB port.

In your case I would recommend updating the BIOS and to update the Win XP to the latest state. All XP patches and updates should be installed!!!

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Hi !

I have this kind of a problem: I am working with my external Toshiba 3,5 alu case HDD 500GB and after a while of copying files into laptop it dissappears and shows up that device wasn?t recognised.
Can this be caused by not enough power in USB port?

THX for any help or workaround

Answer:Satellite A200-1SI - external HDD after a while shows up "unknown device"

Hi there,

yes this may be caused by the fact there is not enough power supplied by the USB port. firstly note that 3.5inch external USB hard drives are usually designed to be used with desktop systems due to their higher power requirements (this is also the reason that many require an external power supply of their own). my suggestion would be in future buy a 2.5inch external USB hard drive designed for use with laptops. another reason that the hard drive may disappear while copying files is that there may be a problem with the USB cable connection between the laptop and the external HDD. i would suggest checking that both ends are plugged in securely and not to place any pressure on the cables and to keep them stable.

i hope this helps you with your matter

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Hallo,

I have installed Vista on my Satellite A100-771. I have also installed all the drivers downloaded from the Toshiba Support site.
But when Vista starts, one message come out always ----- new hardware founded. I really don't know which hardware it is.

There is a unknown Device in device manager, and windows cannot find the driver for this device online.

Can anyone help me?
Thanks a lot!

Answer:Vista on Satellite A100 - Unknown device listed in device manager

Hi there,

may I ask you which drivers you?ve downloaded? And regarding the new founded hardware: Did you checked your device manager for that device?
What is standing there as the non-installed device? Mass-storage or multimedia? Please be more precisely with your explanation and don?t forget the drivers to list.


Thx

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Hi,
I am not able to find the one of the Drivers. In Device Manager when I check details of the 'Unknown Device' it says 'TOS6205/ACPI compliant'.

I have tried searching for the 'Bluetooth stack' Driver for my model in the Driver Download pg. But i dont seem to fine one.

Details of my laptop:-
Model :C660-A275
Short Model :PSC1NV (got this from Part No)
OS : Windows 7 Ultimate version 6.1.7600 (build 7600) (i guess it is 32 bit). (laptop is x86)

Please suggest some solutions at the earliest.

Regards,
Sujit

Answer:Satellite C660 - unknown device tos6205 in Device Manager

goto drivers page
http://eu.computers.toshiba-europe.com/innovation/download_drivers_bios.jsp?service=EU

enter everything except PSC1NV

take & set up
Bluetooth Filter Driver Package
then
Bluetooth Stack

that's all

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Hello there!

I would be very grateful for any help/hints if somebody has an idea what to do....

My gf has the above mentioned laptop (w/o preinstalled OS) and we can not get the display adapter to work properly - situation is as follows

1) mobile intel 4 series express chipset family and an unknown device with a question mark in device manager
2) both are on the same PCI BUS 0, device 2?
3) intel is not working because it has no free resources (should I delete the unknown device?) to work with
4) HW ID for the unknown device is pci ven_8086&dev_2A43 and for intel is pci ven_8086&dev_2A42 (so basically the same, right?)
5) last, but not least, if I go to Desktop-personalize-advanced (first of all no 1280*800 resolution) i see under adapter type: . Exactly, nothing... under properties, this appears: non plug and play device, Super VGA and under driver, I see just the status and option to Stop, Disable, Automatic, Demand.... the device on startup... .If i disable it, the display just does not light up when the laptop is turned on....
Any ideas? I am going insaneeeeee......

Vista Home Premium, all other Toshiba SW installed (value pack, intel, BIOS 1.9, etc... - maybe BIOS did this?!)

Thanks in advance!!!

p.s. maybe SP1 that I am installing now will help?!

Answer:Satellite L300 PSLBGE - Unknown device in device manager

Hi

Wait a moment: I have checked Vendor ID and Device ID on www.pcidatabase.com and this device is the Intel graphic card. So I think this is the reason why you can?t change the screen resolution.

I assume that you have forgotten to install the display driver. Check the Toshiba website because there you can download the driver:
http://eu.computers.toshiba-europe.com => Support & Downloads => Download Drivers

After this you shouldn?t have any exclamation marks anymore.

You can install SP1 for Vista but this will not solve the problem with the missing display driver. But you should install it because it contains a lot of security updates they are important. Furthermore I would recommend to install SP2 for Vista.

Bye

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Hi everyone,

I have a Satellite L500D and in device manager listed under Other Device I have Unknown Device Listed. I have installed all drives listed on the Toshiba page without any success, has anyone had this before and if so could you please tell me how to fix it.

Answer:Satellite L500D - Unknown Device listed in device manager

Can you please tell us which OS do you use?

Anyway, how to identify unknown device in device manager you can read here
http://aps2.toshiba-tro.de/kb0/HTD0302U00000R01.htm


Please check it out and send some feedback.

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Hi everybody,

I've got a A100-926, in device management it show me that there's an unknown pci device at bus 7; function 3, but there's no way to know what is it and how I can install it because if I push reinstall driver it can't find the right one onto the toshiba tool cd.

I don't know if it's related to this but in some application the button delete must me pushed for more than a second to work :-(
Is there anyone that can help me?

thanks

Answer:Satellite A100-926: unknown device bus pci7; device:6; function: 3

Did you reinstall the operating system on your notebook?

Usually the notebook is delivered the Toshiba image and there should be unknown devices in the device manager?

In the forum some guys have placed the link to the very useful Toshiba document.
It described how to identify the unknown devices.
http://support.toshiba-tro.de/kb0/TSB57014E000QR01.htm

Maybe it will help you to find out what device it is.
Then you can download the right driver from the Toshiba page?

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dear toshiba ,
i have unknown device in device manger for satellite C50D-B1107,part number PSCN5V-00700HAR
although i download the needed divers from toshiba website ,then i follow steps in technical knowledgebase (how to identify an unknown device)
the driver have ven_1022 and dev_7814 ,searching for the needed driver I found noting and I wounder why this driver not includred in motherboard driver package
so I nee your support to get this driver
waiting your feedback soon
kareem maaty

Answer:Satellite C50D-B1107 - unknown device in device manager

note os: win 7 32bit

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Hi.

It WinXP Pro + SP 3.
In Device Manager display, as an unknown device. Try all drivers, who were on a disk along with the laptop, nothing helps. Give the solution!

Answer:Re: Satellite 5200-701: Unknown device in the device manager.

Hi,

who should give you THE SOLUTION? I mean, you tried all drivers and nothing did installed... So, does your machine run properly? Does some device not work like it should?

Please check this firstly before installing all drivers without any success. Try to guess which device it could be, so then we can search for some solution.
A good beginning would be to check the device in the device manager and write some of the information which is contained in the Properties window of the device.
Please post the details which are in the properties of the device, maybe someone here in the forum can find out which device won?t work.

I assume also that the SP3 makes some problems, so another good option would be to deinstall the SP3 and go back to SP2.

Greets

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I upgraded to Windows 10 a while back. Every time I open the computer I get a pop-up notification telling me the USB device is unrecognized. I have no USB devices in any of my 3 USB ports.
I sent my computer in twice. No help. They just uninstalled everything and reinstalled everything and told me it should be fixed. It is not. I then went about updating every driver in my Device Manager. I uninstalled the Unknown USB Device and then updated
other drivers. Certain drivers (such as PCI Express Root Port #3 - 9C14) when updating would also reinstall the Unknown USB Device, which I would then uninstall and keep working down the list. At the end of updating EVERYTHING I scanned for hardware changes
and "found" the Unknown USB Device. 
From what I can tell, and I know very little about this stuff, my computer can't name one of my USB ports. Since it can't figure out what it's called it can't download the proper driver for it. Since it can't download the proper driver it can't work properly.
The practical result from this is that one of my three USB ports does nothing when I put in any USB item (connect my android phone, thumb drive, presentation clicker, etc).
I've looked on tons of forums. My current thought is that if I can tell my computer what the deice is or download the right driver and tell my computer to use that driver for this device it should solve my issue. But I don't know how to know what the name
of the USB port should be (I imagine it woul... Read more

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Hey! Yes I am new to the forum here, as I am to Windows 7, but I have to give it up for Windows this time, Windows 7 is actually more stable, faster and easier to operate than even today's Vista. Although...

I have an Asus M51Se notebook. And it has not a huge drive, so I store most and all my files on an external HDD, a Western Digital 500gb sata HDD inside a Sharkoon Rapid 3,5" e-sata case, all conected through USB, with no driver cd, and should be driver-less according to the producers. Every time I plug the external hdd in Windows 7 cannot find the drivers and says its an unknown device, resulting in a very unpleasant "Windows has stopped this device because it has reported problems. (Code 43)"

I have googled, I have searched, I have plugged it in and out unimaginable times. I have plugged the HDD out of the case put it inside my stationary computer and plugged it back in with no results. (My stationary ir running Windows Vista HP 64bit). And the stationary computer can find the device, and use it, even after uninstalling the driver, and plugging the device back in. It finds the disc when its in the case and when I plug it into the motherboard, but my Windows 7 running notebook will not.

I have seen some posts here and there, even on this forum about this problem, but those are all of no use to me. So is there anyone out there that can help me with this error? Please, it would be truly appreciated.

Answer:Unknown Device, External HDD

I have had the exact same problem. My proplem was caused buy a usb cable short. I also had the dreaded "unknown device" error followed by a You must format before windows can use this problem (the drive is already NTFS formatted). I also thought it might be a bad drive so I pulled another working sata drive from another box and tried it and it had the same problem. So I thought maybe its a usb port problem and moved it to a different usb 2.0 port. Still no joy. I then had the brain storm that its the cable, and sure enough pulled the "unknown HD" out popped it into another box and it worked.

Sorry to be so long winded and I hope this helps somewhat

Ken

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I recently upgraded to Win7 Ultimate (clean install) from XP 3/4 weeks ago, and for the last week or so am having problems accessing my USB external drive (although it worked ok at first).
When I connect the drive to my laptop, after a few seconds I hear a windows sound which tells me that the connection failed. In the meanwhile, the drive light displays solid for a moment but then begins to flash at a constant rate that seems faster than when operating normally and the drive cannot be heard.
I went into device manager and checked the properties for the "unknown device" and it was displaying 'code 28' stating the drivers have not been installed, but the last few evenings (after around a dozen or so attempts over several hours during each evening), the drive is somehow detected and is accessible.
I have also tried the following to try and solve my problem

- uninstalled the drive via device manager when displaying as 'unknown device' and rebooted. upon connecting the drive, windows tries to install the drivers but soon displays an error message stating that the drivers are not available.

- updated the bios to no avail

- went into disk management and refreshed drives to no avail
I also tried googling the device id when the drive shows as unknown (which is 'USB\VID_13FD&PID_1618&REV_0100') which brought up many results which seemed to include the line 'pnpdrivernotfound'
I would appreciate any help that anyone can offer, thanks in advance.

=======... Read more

Answer:seagate usb external hdd - showing as 'unknown device'

Welcome to the Se7en Forums! FrEnZyUK

One suggestion given when buying any new external hard drive or flash drive often when simply being used as a storage device is to first reformat the factory Fat volume to NTFS for making it readily available. In 7 the support for Fat and exFat has returned allowing you to simply go into the Disk Management tool and assign a new drive letter for the drive. This will initialize the drive as part of the process making it available again.

If you have only a small amount of files and data on the drive presently you could simply elect to backup them up and reformat to NTFS while in the Disk Management at the same time as you custom assign a new drive letter. Windows will then remember the new letter that replaces the temp letter assigned when working.

With usb not so much eSata drives that are plugged in and unplugged often that will even be more of a help once a reformat is performed in automatically being reinstalled by Windows upon plugging the drive back in if unplugged at all.

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Hello

Just a quick post about my fix to this issue. After getting my PC rebuilt by a colleague I got this issue. I noticed that he had mapped storage volumes to G & H which are usually used when I plugin USB devices. So my fix was:

1) deactivate these storage volumes
2) shut down (overnight as it happens).

I did also have a quick poke at the hard drives but didn't change the configuration.

I appreciate this error is generic but thought I'd post as it may help someone else with this VAGUE PIE-IN-THE-SKY ERROR MESSAGE.

Am Newbie so please be kind.

Answer:USB external hard drive comes up as unknown device

I'm not sure what you mean by Deactivate a storage volume?
All you needed to do was go to Start/Run and type diskmgmt.msc and press enter. In the Disk Management window, Right click the drive and choose Change Drive Letter or Paths, choose a different drive letter that is not being usd.

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Hi there
I have connected my USB external hard drive to my machine and i get an error message that the device is malfunctioning. I have installed SP2. And run Virus programs but to no avail! The Hard drive does work on other Machines so its deffinately not the hard drive. The External drive has also been set to slave. Please help!

Answer:USB external hard drive comes up as unknown device

Howdy markhimself.. Try setting the External to master.. When you open your device manager are there any yellow question marks besides the Hard drive?

Also right click ym computer..Click manage..Then disk management..Does the HD show in there/

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I installed the drivers for xp from intel , IT`S OK.

But one unknown device have nto a drivers?
Why??
Please help me

Answer:Unknown device on Satellite L40-139

Hotkey Utility ?
http://support.toshiba-tro.de/tedd-files2/0/thku-20070720095530.zip

Sound ??
Modem ???
WiFi ????

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hi my friend asked me to have a look at a there external hard drive after she split coke on it, and it stop working, the power is still getting to it the hard drive is still spining but the driver appears to be missing.

there is no vissable water marks (no sign of damage within the casing) (also there is no arking, burn marks)

there is power to the board and driver (light on the front and the driver spinning)

mine and there laptop both recognise that there is something there (as a 'unknown device') but it doesn't recognise it as a storage device.

when it did work it installed drivers from the windows drivers. i manually tryed choosing these drivers without success. it came back error code 10.

so i am unsure what the problem to be except the driver is missing,

much abilaged if anyone can help

just to in form i am running on vista
 

Answer:Toshiba external hard drive unknown device

I think it likely that the usb interface in your external enclosure may be damaged.
The drive may still be undamaged, and transferring it to a new enclosure may be your best best.
Such enclosures are relatively cheap and easily available.
I would not suggest continuing to use the existing enclosure.
Depending on the damage done to the usb interface, that damaged device could cause damage to the usb port of your computer.
Hope this helps.
 

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I have a Hitachi external usb Hard drive model H2160U This drive will recognize on xp. I have used it once on a vista machine and have files on the drive from said vista machine. However, now when i plug it in to either a vista machine or windows 7 machine it comes up as unknow device and not supported drivers. I dont have the drivers for the HDD any more. I have tried to find them online but can not. Is there anything that I can do to make this drive work?? I have tried to delete the USB unknown device in device manager and reconnect but still get the same error. Any tips would be helpful. Thanks
 

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I have a LaCie external hard drive which works fine on other pc's running Windows 7 Ultimate, but on this one it is an "unknown device". I have tried it in different ports but with the same result. I've checked with Windows Compatability and the exact model is listed there as being compatible. I've been to the manufacturer's website but there are no drivers available.
I have the same problem with any USB device I plug into any port. I have tried a complete Windows re-install from a different CD but it made no difference.
The only USB devices that work are the keyboard and mouse.
I have given the LaCie HD as an example because I am hoping that if I can get a specific device to work, I may be able to solve the problem with others.
I've done the upper and lower filter removal thing in Regedit, and have uninstalled and reinstalled the USB drivers numerous times but nothing works. I've also updated the BIOS.
Any ideas please?

Answer:External hard drive found as unknown device

NOT a pro ! but i think after what u have done the only thing faulty would be your ports <<<<

I had the same problem with my pc and after a hell lot of time waste i came to know that my ports are out ......

Am not sure whats the case with yours ........

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In devicemanager on my windows XP system it says "unknown device" in the information I can get that the device-ID is ACPI\SMCF030\4&2A083901&0
and his place is on Intel(R) 82801DB LPC Interface Controller - 24C0

Does someone know what this is?
It is anoying not knowing and it sounds like somthing importent.
I have installed everything under drivers for my device.
But, the only thing that I am aware of not working on my computer is the frontbuttons (Mode, skip, play/pause and stop)

Answer:I have an unknown device on my old Satellite 2450-201

Maybe this document can help you
http://aps2.toshiba-tro.de/kb0/TSB57014E000QR01.htm

Check it out!

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After Installing XP SP2 (Not Toshiba) I Get "Unknown Device" in Device Manager.
(I tried Display,Wireless,Chipset,Audio,Network,Modem and other and it's all right but i get always 1 "Unknown Device".)
Notebook is Toshiba Satellite M30-801
I need help.

Answer:Satellite M30-801-Unknown device after installing W XP

Hi Alfio

please take a look here:
http://forums.computers.toshiba-europe.com/forums/thread.jspa?threadID=5075

I've made some recommendations to another guy with a similar problem.

Good luck

Tom

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Hi all,

I have just intsalled WinXP on Satellite C660-12V PSC0SE. I installed already all drivers, but still I have problem with one item:
ACPI\TOS6205\5&2730DB79&0
What is it? I cannot find any drivers.
It is new C660 without operating system

Please help

Answer:Satellite C660-12V and WXP - unknown device

For unknown device identification use http://www.pcidatabase.com/index.php

Put TOS6205 into ?vendor search? option and you will find out which device must be installed.
If you need more assistance please let us know.

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My thinkcentre M57 6072 BH7 (not sure if it is M57 but I just got 6072 BH7 from label on the machine) has windows 2003 serverinstalled. I installed all the drivers from DVD comes with. However, there are 3 remaining devices that cannot be installed: PCI Serial DevicePCI Simple Communications Controller (there is no modem installed)Unknown Device I was trying crazy to download the drivers for AMT and HECI but most of them do not work on WIndows 2003 server. I also tried the newest flash BIOS with no luck. Anyone has any ideas? Thanks in Advanced and I really appreciate any help.

Answer:PCI Serial Device Controller Unknown Device for WIndows 2003 server on 6072 BH7

what are the hardware IDs of each device?   this can be found in each device's properties under the details tab.

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Ok, I have a new SL300 and I installed a NEW Hard Drive and installed windows XP Pro CLEAN. I got ALL the drivers up and running with ONE exception. There is an UNKNOWN Device in the device manager and I can't seem to find what it does. Looks like everything works on the system. I also can't seem to get the Intel 5100 software to control my wireless card. If anyone has any ideas it would be very helpful! I ran a utility for unknown devices and that didnt find it either.

Answer:Windows XP Clean Install New Hard Drive UNKNOWN DEVICE IN DEVICE MANAGER! HELP!!!!!

what's the hardware ID of the device?   you can find this in device manager (start > run > devmgmt.exe). have you installed thinkvantage system update to see if it finds the missing device?

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Thinkpad Yoga 20CD-0032USWindows 8.1 as pre-installed In the Check Up tab of Lenovo Solution Center it has an alert saying one or more devices has problems and then it lists an Unknown Device with Status Not installed.  However when you launch Device Manager it doesn't show any unknown devices.













Solved!

Go to Solution.

Answer:Lenovo Solution Center Shows Unknown Device But Device Manager Doesn't

Hi,
 
Welcome to Lenovo Community Forums!
 
I?m sorry to inform that it is a false indication from Lenovo solution center. Since Windows doesn?t detect any missing device drivers within the device manager, there is no driver that is missing.
If the warning keeps popping up, change the reminder settings to ?never?. Probably, you have to wait for an LSC update in which the bug would be fixed.
 
Refer here for further information regarding the issue.
 
Hope it helped!
 
Best regards,
Mithun.





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1 more replies
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Hi, I am using T410 for a couple of months. its camera was working but it has suddenly stoppped working now. in the Win7 device manager it appears as unknown device and in details: -"Windows has stopped this device because it has reported problems. (Code 43)"I have tried re-installing drivers and rebooting machine etc but no help. Please suggest how to fix this. Also tried reinstaling ehci controller device but no luck. Thanks,manu

Answer:Webcam not working on T410, detected as unknown device in Win7 device manager

hey manugautam000,welcome to the forums, disable to camera from device manager and remove the current driver installed to it.reboot your unit, re-enable the camera. windows should then install its own generic drivers.test your camera with the generic drivers.later on, head to http://support.lenovo.com , download the latest camera driver for your unit. set your unit to diagnostic mode via msconfig and then install.





WW Social MediaImportant Note: If you need help, post your question in the forum, and include your system type, model number and OS. Do not post your serial number.Did someone help you today? Press the star on the left to thank them with a Kudo!If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! Follow @LenovoForums on Twitter!Have you checked out the Community Knowledgebase yet?!How to send a private message? --> Check out this article.

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I need help for eliminate error in Device Manager. Error code: 43 in Unknown Device row.
Thanks for help
 
Link to image
 
Moderator note: images totalling more than 50k converted to links per forum rules:  Lenovo Community Participation Rules

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I have two of each after formating the pc and installing windows 7 ulthow do i figure out what these are?

Answer:sl500 drivers windows 7 base system device and unknown device

They must be the Ricoh card reader drivers.Have you installed thinkvantage system update?

1 more replies
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i have this unknown device that need to install the driver on my Y430 any help will be appreciated?  













Solved!

Go to Solution.

Answer:Y430 - device instance Id : ACPI\CPL0002\3&11583659&0 - unknown device

It may be CIR driver.





//help will save the world

4 more replies
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hello all. i dont come around to this site very often but i desperately need you guys help.

im trying to get a gamebridge i purchased a few days ago to work. the first day i had everything going according to plan and had it installed on there and everything, but then i was having problems with it... it wouldnt show my game screen. so i decided to install to a new usb drive.

i took the device out and tried to reinstall to another drive but it didnt work... and now when i try to put it back into the original drive it gave me an error. so i went into device manager and unistall the device manually from the original drive.

but now i try to install it again to any drive it give me the code 28 error...
someone please help me i really need to fix this problem.

thanks in advance!!!!!!!!!!!!!!!!!!
 

Answer:USB drive not properly installing device(GAMEBRIDGE). (unknown device code 28)

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hie i have just installed window 7 and this devices are missing, any help will be very much appreciated.
base system device
device id
PCI\VEN_1217&DEV_7110&SUBSYS_117C10&PEV_00
PCI\VEN_1217&DEV_7110&SUBSYS_117C10CF
PCI\VEN_1217&DEV_7110&CC_088000
PCI\VEN_1217&DEV_7110&CC_0880

UNKNOWN DEVICE
LOCATION; INTEL(R) 82801 DBM LPC INTERFACE CONTROLLER-24CC
HARDWARE ID;
ACP1\FUJO2BI
FUJO2BI

VIDEO CONTROLLER
LOCATION; PCI bus 0 device 2 function 1
HARDWARE ID
PCI\VEN 8086&DEV_3582&SUBSYS_120E10CF&REV_02
My laptop is FUJITSU-BIBLO MG13D

Answer:base system device, video controller and unknown device missing

Before I can help you, follow these instructions to let me know more about it: New to SevenForums? Fill out your system specs (this tool may help you out a great deal).

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I can no longer use the mic that came with my Xbox 360 wired controller on my Windows 10 PC after I upgraded to the Creators Update a few days ago. In the Device Manager it is listed as 'Unknown device' and if I try to 'Upgrade Drivers' then I get this error message: "XBOX 360 Headset Device. An error occurred during the installation of the device. The driver installation file for this device is missing a necessary entry. Contact your hardware vendor". Anyone have any idea how I can get it working again? I can't find the driver for this thing anywhere! I used it for Cortana searches as well as communication in Overwatch.

Answer:Creators Update Broke My XBOX 360 Headset Device (Unknown Device)

- have you checked here:
Xbox 360 Wired Headset troubleshooting for Windows 10

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Relevance 82.41%

Hi Team, Recently I have Updated my Laptop from Windows 8 to Windows 8.1 single language pack. Once Installation is completed, I faced problem in starting Dolby Audio driver, I have installed the latest driver and it got resolved. Next came the problem in Bluetooth device in accepting files from my mobile, then done the same. Installed latest driver and it too got resolved. But still i am facing the message "Unknown device" in Lenovo Support Center in Device Manager. I have checked in Device Manager. But no device is indicated in yellow color. Please let me know, how to identify which device is causing this problem and how to rectify this. My Laptop details:Model : G580Product ID : 20150 Let me know if you want more details. Thanks,Sathish Kumar

Answer:G580 Lenovo Support Center - Device Manager - Unknown device

hi there,can you please submit the device id?
 
right click the unknow device > properties > details

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Hi there! I've installed WinXP Pro SP3 (unattend) on a new T400 and i've got some unknown devices.  Screenshot from the device manager SystemUpdate from Lenovo has turned off (Mai 09) an I'havent any idea wich devices I've forgot to install. Do some one have any ideas? Thank you and for any help!Message Edited by fishware on 05-06-2009 11:19 AM













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Answer:T400: Base System Device, PCI Serial Port and Unknown Device

Sulotuion:PCI Simple Communications Controller:http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70313PCI Serial Port:http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70317Base System Device:http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-68053 Unknown device:http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70123Thank you for mental help :-)

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Hi, In My lenovo G450- with Intel Chipset - 3GB RAM (no external graphics card),am seeing a Unknown Device with question mark on device Manager, running on Win XP. Further clicking on Device properties tell me that -Device type : Other DevicesManufacturer: UnknownLocation : On Microsoft ACPI- Compliant Embedded Controller. I have installed all the drivers and have not installed any external devices like USB etc.Am not getting which device this could be. Network Controller also shows with question mark even after installing Broadcom Ethernet Driver for XP. Kindly help me what to do?Is there any order where we need to install the drivers.













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Answer:Unknown Device & Network Controller in the Device Manager for Lenovo G450

re-install power management and ethernet drivers.

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Only bought Yoga 2 Pro for few days and start to have bluetooth issue where intermitten disconnection with my logitech M557 bluetooth mouse and now is totally failed with Unknown USB Device. Tried download and re-install new bluetooth driver from Lenovo Support Site but still shown as Unknown USB Device. Pls help!

Answer:Yoga 2 Pro Bluetooth - Unknown USB Device (Device Descriptor Request Failed)

Same issue,  been a problem since I purchased last Christmas.  Sometimes I want to throw this piece of crap out and buy a mac.  Lenovo, get your head out of your ass.

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I was just working happily when my Microsoft Bluetooth Mouse just suddenly stopped working.
The Bluetooth settings page says "Bluetooth is turned off" and there are no options on the settings page or the system tray to turn Bluetooth on.
The Device Manager now has "Unknown USB device - device descriptor request failed" where it did not before.
Other devices all seem to be working fine - USB devices plugged in are being recognized and work properly. Only BT seems to be broken.
I've tried:
uninstalling the device and rebooting
installing the latest updated chipset drivers from the dell website
windows updates
pretty much all of the advice here: http ://troubleshooter.xyz/wiki/fix-usb-device-not-recognized-device-descriptor-request-failed

Any other ideas?
Thanks

Answer:XPS 15 9550 Bluetooth stopped working (Unknown USB device - device descriptor request failed)

So in desperation I just went into BIOS settings to see if there are any BT settings that may have become disabled. I didn't see any, and I didn't change any other settings.
After rebooting, BT and my mouse is now working again.
Something seems to be really flaky here, but hopefully this will help others with the same issue.

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Since a day or two I get this error in my Lenovo Solution center.I've tried to update the driver, but that failed.The G710 is running W8.1 Any solution available?best regards Piet.

Answer:G710 Unknown USB-device (Device Descriptor Request Failed)

Hi Piet_Bos,
 
Welcome to the Forums    
    
As per the query we understood that you are facing issue  with error in USB device in your Lenovo G710 laptop.
 

Unplug all USB peripherals connected on the machine
Run Windows Update to get the latest patch and bug fixes (reboot if necessary) and try the USB devices.

If still the issue persists then please follow the below steps:-

Go to start button right click on my computer.
Select properties in left upper corner you have 4 options select ?advance system settings? option.

3.System properties pop up comes under that select hardware option and select device installation settings and disable the auto driver download option and select save changes and restart the system.
 

Now try to update the driver and check for the issue.

Hope this helps. Do post back if the issue persists!                                                   
 
Best regards,                                              ... Read more

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I have a Toshiba laptop, model L505-ES5018. I had Windows 7 Home Premium 64 bit installed on here, but decided to reformat my hard drive using Windows 7 Ultimate 64 bit. After the reformat was finished, I ran Windows Update and it found several items to download and install for me. I noticed that it also found optional items to download and install for me, so after all the important updates installed, I ran the optional updates. After all of this installed, I checked Device Manager to see if there were any errors and I found nothing. I assumed everything was fine. I decided to check Devices and Printers and under my laptop icon, there was a yellow icon with an exclamation point on it. I decided to run the troubleshooting option when I right-clicked the icon....it gave me a solution to download a Toshiba password utility program, so I did that and nothing happened, even after restart. Same icon appeared. When I clicked on the icon a second time, I noticed that the model of my computer at the bottom of this window, changed from L505 to TIAS. I have no idea what this is. I decided to do another reformat on my hard drive. This time, I ignored the optional updates. I checked Devices and Printers again, the same icon appeared but the model of my computer said L505, like it should. There is something in the optional updates that is changing this. Could it be the Intel chipset driver that the optional update is pushing? I'm not sure. I went back to Device Manager, th... Read more

Answer:Unknown Device in Device Manager/Show Hidden Devices

Hi there ... You should Install the chipset Driver and also the Realtek Driver for your card Reader ... From the Toshiba website ... The Link is provided below

Satellite L505-ES5018 – Windows 7 32 and 64-bit Drivers Download

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Hello! Does anyone knows where to find the LENOVO ENERGY MANAGEMENT SOFTWARE for the yoga 3 pro? I could not find it on the yoga 3 pro support page... I am using the one from the yoga 2 pro, but, I am having some BSODs ,which I do not know if they are caused by the wrong driver used... Thanks!













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Answer:ACPI\PC2004 unknown device in device manager - YOGA 3 PRO

Hi dalmaso, and welcome to the Lenovo User Community!
 
Can you explain more about what you are trying to achieve with your Yoga 3 Pro? Why are you trying to run Yoga 2 Pro software?
 
You can find all the Yoga 3 Pro drivers either on the Lenovo D: partition of the SSD, or on the Lenovo support site.
 
There is no "Lenovo Energy Management Software" for the Yoga 3 Pro. One Key Optimizer manages advanced Yoga 3 Pro power options.
 
Hope this helps!

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Fix for - HD Audio devices won't start or you can't load correct driver. Lenovo H320 - Win 7 64-bit I-3 processor. 5 series/3400 chipsetHere is a working procedure to fix the problem when you install windows 7 64-bit and can't get the correct drivers installed for the HD Audio devices 1)Realtek AC97 HD Audio device id = HDAUDIO\FUNC_01&VEN_10EC&DEV_0662&SUBSYS_17AA3604&REV_1001and 2)Intel HD Audio device id = HDAUDIO\FUNC_01&VEN_8086&DEV_2804&SUBSYS_80860101&REV_1000 Regards >>> Sucromatic ?For an IBM LENOVO 320 with Windows 7 64-bit Home Premium Version download these drivers to a directory in a second partition to prevent this nightmare from happenning in the future.1)AC 97 high def audio versionRealtek HDA 2.67found on http://wikidrivers.com/wiki/Main_Page or at www.realtek.comon right of screen on homepage and2) Intel HD GRAPHIC and HD Audio versionIntel GMA 15.22.52.2559 (Vista/7) 14.46.8.5387 (XP)found onhttp://wikidrivers.com/wiki/Main_Page.Select your OS and and whether 32 or 64 bit. I recommend the .exe version as it works very smoothly. Uninstall HD AUDIO DEVICE or whatever it is called maybe "unknown device" with ac97 device ID "HDAUDIO\FUNC_01&VEN_10EC&DEV_0662&SUBSYS_17AA3604&REV_1001." Afterwards install AC 97 HD Audio Driver. After install reboot and wait till computer completely starts.Now uninstall Intel HD Graphics or your graphics device. When you get the uninstall box open, select delete ... Read more

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Hello there,I performed clean Windows 7 installation on my Lenovo ThinkPad Edge E545 laptop, I installed all the drivers and Windows updates, however I still have one unknown device in Windows Device Manager that I can't get to work properly. I do not know what the device is and Windows troubleshoot doesn't help at all. I did some googling and checked your Lenovo support and found out that this might be missing Power Management driver but I have installed it and the issue persits. When I go to device's Details tab it lists two Hardware Ids: 1) ACPI\SMB0001, 2)*SMB0001 (screenshot provided).Unknown deviceI have also tried to install AMD SMBUS driver and many others (Synaptics driver) and in the end I got rid of all unkown devices from the Device Manager except this last one. Could you please advise on which driver I might have missed or what steps need to be taken to solve this issue? Thank you very much in advance,Michal













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Answer:ThinkPad Edge E545: Unknown device in Device Manager

Okay, issue solved. It turned out to be my bad (as I expected) and I solved it by installing ThinkPad UltraNav Driver.

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Even with all the latest updates installed, I still get this annoying warning from Lenovo Solution Center 'Unknown device' - status 'not installed'  Control Panel / Device Manager gives no signals something is wrong. why?! Details:Computer: Thinkpad Yoga (TPY)OS: Windows 8.1 all updated Lenovo Solution Center version: 2.2002 / revision 17630 External device attached to TPY:  OneLink Pro  (also has latest driver = Realtek 8.10.1009.2013) Thanks in advanceOlof 

Answer:'Unknown device' in Lenovo Solution Center, but not in Device Manager

It seems to me you are missing some update from Lenovo. I had the same issue, however just recently after updating any available software/drivers for the TPY the message has disappeared.

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applied.

Sorry that last word didn't get in the subject line.

So:
http://i.imgur.com/QoSy2wX.png

These two values are:
USB\VID_0CF3&PID_3000&REV_0200
USB\VID_0CF3&PID_3000
My bios info

http://i.imgur.com/FvPQweZ.png
So should I do this:

ASUSTeK Computer Inc.-Forum- driver missing
When I download that zip file from under "Install the Bluetooth driver:" it has so many files to choose from.... I don't know what to do?

I've also found out that I need to disable "boot from network" or "boot from lan" in bios to get rid of this unkown device issue?

Answer:Unknown device in device manager after Bios default settings are

Well it might be a good idea to look at the following tutorial:

Device Manager - Finding Unknown Devices

Use the link in Step 7

Also I tend to find this tool useful:

Download Tweaking.com - Hardware Identify Portable - MajorGeeks

Right click on each result in the list for more options.

Edit: On my machine a similarly named device appears to be a webcam.

In the list USB Composite Device doesn't mean much but matching the ID seems to indicate that it's the webcam.

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I have recently reinstalled windows xp on my laptop and since the reinstall found new hardware wizard keeps popping up saying it has found PCI device, but I cannot find the drivers for it neither will the laptop find the drivers automaticaly.

Any help much apprechiated

Thanks

Answer:Equium A110-233 (PSAB2E) - Unknown PCI device in device manager

Hey,

Hav you already checked the vendor and device ID in device manager? Check this please and on this website http://www.pcidatabase.com/ you can enter these ID?s and then you can see what device it is.

Furthermore the drivers can be downloaded from Toshiba directly:
http://eu.computers.toshiba-europe.com > Support & Downloads > Download Drivers

If you have more questions, please let us know! :)

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I'm using the W540 with an ultradock and external monitors. After upgrading my W540 to win8.1 64 bit, device manager is showing an unknown device. I'm not quite sure what it is, but almost everything seems to be working fine and Lenovo solution center isn't finding any driver updates. I did notice that the solution center hardware scan did not test the video card memory and listed that test as N/A. Video and monitors seem to be working fine though and both nvidia and intel graphics show up in device manager. Device manager lists the device in question as follows:Device instance path: ROOT\SYSTEM\0001Hardware Ids: root\iwdbusDevice stack: \Driver\PnPManager 













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Answer:Unknown device in device manager after win8.1 upgrade W540

This seems to fix the problem.. any idea why? http://forums.lenovo.com/t5/W-Series-ThinkPad-Laptops/W530-unknown-device-after-installing-windows-8... (In device manager - Right click, uninstall, scan for hardware changes)

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I have a unknown device in device manager. When I plug in my power cord to charge i get a black screen as soon as i unplug the windows screen comes back. Not sure if these are related or not.













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Answer:Unknown Device - Device Instance Path (ACPI\INT33BD\1)

Hi: I am pretty sure you need this driver.  The latest is for W8.1. This package provides the driver that enables the Intel SidebandFabric device. Intel Sideband Fabric Device Driver is a bridge tothe Intel Dynamic Platform and Thermal Framework. This package isprovided for supported notebook models that are running a supported operating system. File name: sp65474.exe I don't know if not having that driver installed is related to the black screen issue.   

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I have Windows 7 Ultimate. Since very recently an unknown device keeps popping up in the device manager every time I start Win. It's reported location is within the front USB root hub but I haven't changed there anything lately. The device status reports "Windows has stopped this device because it has reported problems (Code 43)". I can uninstall/disable it but it will get picked up again the next time I reboot. All other usb devices (mouse, keyboard, web camera, APC UPS, external drive, printer) work fine. How do I get rid of this nuisance so that it doesn't reappear?
 

Answer:Unknown device: Windows has stopped this device because it has reported problems (Cod

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How do i figure out what driver or even component windows wants software for when in the device manager under other devices it lists an unknown device and windows update cannot find anything.

Oh and is it appropriate for me to use this topic to ask another question regarding explorer.exe as while i am inside a folder i delete (by choosing delete from the context menu in the tree view) while inside that folder on this particular laptop PC explorer. always crashes, collect information, sends it and restarts explorer. I have not experienced this problem on any other pc running any version of windows 7, oh and the same happened with build 7264 x32 and the current install of build 7600 x64.

Answer:Device Manager reports Unknown Device & explorer crash

Please fill up the System specs...

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Hi,
My 7270 latitude touch screen stopped working shortly after first use (after win update worked again but for a short time).
All drivers are up to date.
In device manager a USB device shows as unknown (yellow warning triangle), otherwise there are no indications to the source of the problem.  There is no other touch screen device showing in device manager. 
How do I perminently solve this?
Thanks

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I've managed to identify all other devices except this one. It appears in Device Manager as:

Location: on Intel(R) QM57 Express Chipset LPC Interface Controller - 3B07
Device Instance ID: ACPI\IFX0102\4&375529C7&0

Any suggestions?

Regards

Simon

Answer:Portege R700 (PT311E) - Unknown device in device manager on XP

Hey,

In my opinion this device has something to do with chipset and therefore you have to install the Intel chipset driver. You can download all drivers on official Toshiba website:
http://eu.computers.toshiba-europe.com

Check also the exact vendor and device ID in device manager to identify this device. The PCI database website can help you to do this:
http://pcidatabase.com/

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Hi everybody.

I just bought myself a Powercolor Radeon HD 4890 yesterday. After installing the card and the required drivers everything works like a charm. However, every time I start up my PC I get a message saying that a new device has been found on my system. On checking Device Manager I found an "Unknown device" entry under "Other devices".

I'm attaching a screenshot of Device Manager.

Are there any drivers I'm missing? It only happened after removing my old card (after uninstalling all its drivers) and installing the Radeon.

Any help is greatly appreciated.

Thanks.
 

Answer:Unknown Device In Device Manager After Installing Radeon HD 4890

I have a Powercolor Radeon HD 4890 (I also have a Gigabyte 4890 and XFX 4890 in two other PCs). I think you need to install the latest ATI Catalyst Suite. You may have installed the driver only package. Anyway, I think it has to do with the HDMI capabilities of the card. High def sound is built into the card (the HD part of the card name) and the HD sound driver is part of the Catalyst Suite. When you use an HDMI cable to an appropriate display, HD sound is also transmitted through the same cable from the Radeon graphics card.

Of course, be sure to install .NET Framework 2.0 as it is required before you can install the full Catalyst Suite. The HD sound driver won't install without it. At least I had trouble before I installed .NET 3.5. I went to Windows Update and installed .NET Framework 3.5. 2.0 is included in that update and 2.0 wasn't available separately.
 

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I need assistance finding the drivers for my elitebook 8570w.  Hardware ids are attached.  Please help thanks

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I have unknown device in device manager

It says unknown device on on Microsoft ACPI-Compliant System

(oh and i also didn't install modem drivers since i don't need the modem anyway)

Answer:Satellie A300-1EC PSAG0E: unknown device in device manager

What OS have you installed?
Windows XP?

If yes, check if your Windows XP is up to date (install MS patches and hotfixes)
Also install all available drivers from the Toshiba driver page like:
Chip Set Utility, Storage Manager, etc? and if there is an newer BIOS version, then update it.

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Hello,
I recently put together a new computer, and in the process of of installing the USB 3.0 connector from the front of my GX500 case, I either bent numerous pins on the motherboard USB 3.0 header or the motherboard shipped that way and I inadvertently made matters worse. Anyway, that header on the motherboard is without a doubt unusable.
Since I don't really need the USB 3.0 functionality, I bought a USB 3.0 -> 2.0 adapter cable, connected one end to the connector on the front of the case and the other end into the USB 2.0/1.1 header on the motherboard. Unfortunately, when Windows 7 boots and I plug a device into the front ports of the case, Windows detects the front USB ports as "Unknown Device" within Device Manager yet says the driver is successfully installed. I've already downloaded the most current Intel chipset drivers for my motherboard, deleted and reinstalled all USB drivers, and all rear USB connections are working perfectly fine - it's just the two front ports that are connected from the case to the USB 2.0/1.1 ports via the adapter cable.  I've tried both USB 2.0/1.1 headers on the motherboard, and I've tried plugging in several devices to the front USB ports, and this problem still persists.
I've ensured the connection inside the case is solid, yet I cannot get Windows to recognize the front USB ports.  However, I have confirmed that power is being sent to the front ports because it charges my phone when I connect it to the front USB ports via m... Read more

Answer:Front USB Ports not Working - "Unknown Device" in Device Manager

If your motherboard has a 1x pcie slot you can get a card like this...
 
Here
 
Some motherboards it's a tight fit because of the video card taking up space. In that case you can relocate the above card with this...
 
Here

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Hi there,

I recently installed Win 7 home premium on my laptop.
In the controlpanel you will find the topic "show devices and printers".

Doing so you will see the devices that are connected with the laptop. In the icon for my Laptop (toshiba L300) there is a yellow trangle with an! I am instructed to install a driver for an "unknown device".

Doing so (by choosing the option "allow this solution) does not bring me any further. The wizzard doesn't find any drivers and I still don't wich device is ment.

I've found the unknown device by selecting "show hidden devices" in the device management, so here it is:

The hardware id says:
ACPI\TOS1901 TOS1901

changeinging the attribute or property (sorry guys, my version is dutch and I do not know the proper englisch name) to "name of the device" it says:
\device\00000048

Anyone got any suggestions?

Answer:Satellite L300 - unknown device TOS1901

Hi,

Have you also checked the device and vendor ID in device manager of this device? Select it and click on properties. Then you can check the ID on this website:
http://www.pcidatabase.com/

And what drivers you have installed exactly?

In my opinion you should try to install the Toshiba Value Added Package. You can find it on the Toshiba driver download page.

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Which is the Windows XP driver for this device :

HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100& REV_1000\5&181BB7A3&0&0001

Thanks,

Answer:Satellite A200-1PD - how to identify unknown device?

I do not know for sure but it must be something with sound. If you have problem to get sound working under WXP please check http://forums.computers.toshiba-europe.com/forums/thread.jspa?forumID=59&threadID=25916

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I have a toshiba satellite a100 pro. It came with XP installed.

I have recently installed a bigger hard drive, and upgraded the operating system to Vista Ultimate (32 bit). I have downloaded and installed all the drivers from the toshiba website but I still have one 'unknown' device in the device manager with a yellow exclamation mark, it the details tab it says:
"ACPI\TOS1900
*TOS1900"

Can anyone please tell me what this device is, and where can I get the correct drivers?

Answer:Satellite Pro A100 - unknown device TOS1900

Hi

Did you install the Toshiba Value Added Package?

No? Do this and this unknown device should disappear


Greets

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Hey everyone,

I have re installed windows 7 32-bit in my Staellite C850-A670, part no. PSKC8V. There is an unknown Device with Hardare Ids:

IUSB3\ROOT_HUB30&VID_8086&PID_1E31&REV_0004&SID_FB 311179
IUSB3\ROOT_HUB30&VID_8086&PID_1E31&REV_0004
IUSB3\ROOT_HUB30&VID_8086&PID_1E31

Please hep me find identify the driver for this device.

Thanking you in anticipation.

Regards

Message was edited by: aleempk

Answer:Satellite C850 and Win7 32-bit - Unknown Device

Hi

You can identify unknown device if you use http://www.pcidatabase.com/index.php page.
8086 - Vendor search > Intel
1E31 ? Device search > USB 3.0

Try please to install USB driver for your machine. You can find it here .
Check it out and post some feedback.

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Hi I use Satellite A200 PSAE6E
I have installed 64bit vista.
when I look device manager and select "show hidden devices" option. I see an unknown device.
I tried to search with that but I couldnt find anything do you know what is that?

ACPI\TOS1900
*TOS1900

Answer:Unknown device (TOS1900) on Satellite A200

Hi friend,

theres another post with the same issue:

http://forums.computers.toshiba-europe.com/forums/thread.jspa?threadID=31190

the discussion is about this device. I assume that this could really be something like the HDD acceleration sensor (the sensor which parks the heads of the HDD when the machine is moved faster then usual).

Maybe thats then a device which can be left since you won?t get any drivers for it. Another good option would be to google for that error..

Greetings

5 more replies
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I have the Satellite 1955-S803 notebook with WinXP.
Device manager show me an unknown device "LPC interface". All drivers for motherboard had installed. Maybe anybody knows how to solve the problem?

Answer:Unknown LPC interface device on my Satellite 1955

Hi

Well, it?s strange. Try to remove this device from Device Manager. Then reboot the unit and start ?Add Hardware?. Also you can check the Toshiba website and the supported drivers for this unit. Check this link:
http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_home.jsp

Bye

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Hello.

Satellite A200 PSAE6E.
Installed Windows XP instead of Vista.

Everything is fine instead of one thing. Device manager shows that PCI Memory controller is unknown device and showed in question mark symbol.

What sould I do? I think i installed all drivers that were possible to download from Toshiba support.

Any suggestions? Really appreciate.

Peace!!!

Answer:Satellite A200 - Unknown device after XP installation

You will never find a driver for PCI memory controller on XP.
This hardware is only supported by Vista and so you can ignore this yellow exclamation mark.

By the way, this I have found on the Toshiba website:
http://aps2.toshiba-tro.de/kb0/TSB83023N0000R01.htm

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hi there.

My CD/DVD Rom device (toshiba SD-C2612) stopped working- it was still registering as a drive, but wouldn't read disks - so I got a replacement and that doesn't install at all.

I also noticed that in Device Manager - under IDE ATA/ATAPI controllers - there's an "unknown device" which is called "hdc" (hard disk controller??) which has no drivers installed and cannot find new drivers when I go to update them. I've disabled the device and that stopped the old cd/dvd rom from being recognised and when I reboot it reinstalls the hdc but it is still registering as a unknown device.

Any ideas?

Thanks in advance

Answer:Satellite Pro M10: Can not install SD-C2612 - hdc IDE unknown device

I am afraid this is a firmware issue.

Can you tell us the firmware code (from the sticker on both, original and replacement drive?)

SD-C2612 - ??
(Drive Rev. ???)

Maybe we will find out some more info about your drives through them.

regards

electrochain

6 more replies
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Hello,

I have installed the Win 8.1 Enterprise Version on my Satellite P70-A. All devices besides ACPI\TOS620A\2&DABA3FF&2 are supported with correct Drivers.

Does anyone know which device it is, for instance Bluetooth Driver?
The device Manager confirms that I have Bluetooth devices for Andoid, Generic Bluetooth and Microsoft Bluetooth.

I have downloaded bfdp-20131011113844.zip and executed the exe file. I'm wondering that this exe is not displaying something like "Successfully installed" or so.

So I'm not really sure if Bluetooth is really installed and if Bluetooth is the issue.

Yours
Stephan.

Answer:Satellite P70-A : Win 8.1: unknown device ACPI\TOS620A

The unknown device ACPI\TOS620A seems to be related to an Toshiba HDD Protection Utility.
Visit the Toshiba EU driver page and download the HDD Protection Utility released for Windows 8.1

Should solve your problem

Greets

1 more replies
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Hi,

Have a Satellite A500 that I have recently restored to factory settings from the Recovery partition and reinstalled my Win7 upgrade.

I have a couple of unknown devices in device manager and have no way of knowing what they are.
They would normally be a problem for me except I am also getting USB disconnect sounds every now and then, and warnings about USB2 devices being plugged in to a non high speed port.

I of course have nothing plugged in at the time so I expect there is some device that is malfunction and not being detected properly.

The devices I first suspected (webcam, tvtuner, touchpad) all appear in device manager normally so I am at a loss as to what's causing this.

Any ideas?
Barbs

Answer:Satellite A500 - Unknown device - USB problem

Hi

Did I understand this correctly?

You have restored the A500 to the factory settings using the Toshiba recovery procedure and the unknown devices still appears in the device manager?

That?s strange because the Recover disk should set the notebook back to the same state like at the first day of purchase. So usually the unknown devices should not appear and all drivers should be installed properly.

However, I found an interesting and in my eyes useful HowTo document which should help you to find out which drivers are missing in your case.

+How to identify an unknown device (e.g. Wireless LAN module)?+
http://forums.computers.toshiba-europe.com/forums/ann.jspa?annID=78

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Hello,

I'm new to this forum but not new to using Toshiba products.
Anyway, about a couple of weeks ago I started having problems with
my USB ports in the sense that they all started to die one by one: first
the upper right, then the lower to be followed shortly by the Sata/USB combo
port on the left(kept my mouse adapter there).

I have not used anything other than the regular on my USB ports, you know memory
sticks, external HDD(I used a Toshiba StoreArt 1TB), my mouse and pretty much it.
Naturally I started looking for a solution to my problem and tried everything, except
for a BIOS update.

I don't know what else to do, so I hope smbd having dealt with the same problem
can help me restore my USB ports functionality.

I'll post some screenshots:
http://i1099.photobucket.com/albums/g387/florin_77/unknowndevice.jpg
http://i1099.photobucket.com/albums/g387/florin_77/properties.jpg
http://i1099.photobucket.com/albums/g387/florin_77/sysinfo.jpg

Answer:Unknown device under USB on my Satellite L500-1XZ notebook

Hello and welcome to Toshiba support forum.

On this virtual way it is not easy to say what is wrong there and give you exact diagnostic. In my opinion BIOS update is, at the moment, not necessary.
I don?t know if you have installed some additions software for usage with some external device but what you can try now is to reinstall chipset driver.

I have checked Toshiba download page and your notebook is supported for Win7 32 and 64bit so you can find it there. I wanted to post link here but I don?t know which version do you use.

Please do it at first and post some feedback.

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Relevance 81.59%

As I said in title, my HITACHI external hard drive cannot be recognized.I tried several ways to detect problem: 1. connect 320G HITACHI external hard drive(MODEL: N2502B,5400rpm) to X220, cannot be recognizied, message in Device Management: Unknown device 2. connect HITACHI external hard drive to HP laptop, can be read successfully 3. connect  a 2G USB flash derive to X220, can be read successfully  ------------------------------------------------------------------------------------------------------------------- By doule clicking Unknown Device properties, such information can be found: Device Type: HITACHI external hard driveManufacturer: (Standard USB Host Controller)Location:     Port_#0002.Hub_#0004Device status: Windows has stopped this device because it has reported problems. (Code 43)   Does anybody know the solution? 

Answer:HITACHI external hard drive cannot be recognized by X220-Unknown Device

By doule click Unknown Device properties, such information can be found: Device Type: HITACHI external hard driveManufacturer: (Standard USB Host Controller)Locationort_#0002.Hub_#0004Device status: Windows has stopped this device because it has reported problems. (Code 43)

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Relevance 81.59%

I have bought a new windows 8.1 Toshiba laptop when I connect my external hard drive witch was working ok before it's telling me - unknown usb device (device descriptor request failed) code 43

Answer:unknown usb device (device descriptor request failed)

did you try to go to power manager, shut off usb power saving

17 more replies
Relevance 81.59%

Hi all, my problem is the following, I have a lenovo laptop z50-70, run windows 7 on it, the problem is I get this unknown device on Microsoft ACPI-Compliant Embedded Controller, I think probably because of not working on lenovo energy manager (I've tried a bunch of different versions of this program, only one works but go half of the functions, the most important bit me "conservation mode," namely whether I turn on conservation modeactivate, nothing, as in fact is notactivated, and the other versions of this program, I disable the wifi network card, and do not delete only wifi module starts.
 
E any driver something to solve the unknown device (3 days all install and uninstall drivers and versions of lenovo's energy manager, but in vain), I think there is a problem, because of which the energy manager version which I didn't flunk wifinetwork card, to operate the conservation mode function?

Thanks, will want a beautiful day!
 
I have attached a picture:
 
Link to image
 

Moderator note: large image(s) converted to link(s):  About Posting Pictures In The Forums

Answer:Z5070 Unknown device ACPI Embedded Device

The Unknown Device is because the Lenovo Energy Management driver is not installed.  If you are unable to resolve problems when the Energy Management driver is installed and prefer to leave it uninstalled then just disable the unknown device in Windows Device Manager and ignore it. 

1 more replies
Relevance 81.59%

Hey
1.)So my mouse(Corsair Harpoon RGB) was recently just working fine until one night i unplugged it and put it into computer and on that computer it didnt work so i went back to my laptop to plug it in there, but it showed the same problem it didnt respond the logo didn't light up so i went to the device manager and it said *title. So how do i fix this is there something with my mouse is there something with my software?
Oh yea and on top of that i have 2 more issues that i jut can't solve by myself.

2.) Unknown USB-device(port reset failed)
3.)DVD Drive(optical drive) doesnt show up on the device manager but it sounds like it's working and it opens and closes.
4.)Front ports of my PC doesnt work if i plug an USB in it doesnt do anything (it does work perfectly in the back)

I don't know though if i should make more threads but they somewhat relate to each other,
that's why they are just in 1 thread. If you need to ask any question, need pictures , my specifications or anything else just ask me.
Thanks in advance!
Best regards Hao.
 

More replies
Relevance 81.59%

I am running the Lenovo Ideapad y510p (the GT755m SLI version). I had my USB mouse and my flash drive connected to the 2x 3.0 USB ports (the ones on the left), everything was fine until suddenly both of them stopped working. When I try connecting the flash drive nothing happens, however, when I try connecting the USB mouse it says Unknown USB device (Device Descriptor Request Failed) in the device manager, windows error message "USB Device not recognized" also pops up in the bottom right corner. When I try connecting either of them (the mouse of the flash drive) to the 3rd USB port (the usb 2.0 port) they both work perfectly fine without any errors at all. I would like to know what may have caused that error and if there is any solution at all. Thanks in advance, Mersif.

Answer:Unknown USB device (Device Descriptor Request Failed)

Still looking for a solution.

3 more replies
Relevance 81.59%

I have purchased E5-573G-389U few months back. Since then I am not able to connect any of my mobiles be it Motorola or Samsung to the laptop. Everytime it says 'Unknown USB device (device descriptor request failed) driver error'.  I have tried a lot of options in your discussion forum but nothing worked. I am just fed up with the problem. I will request you to provide the solution to the said problem at the earliest. It was really a bitter experience buying this laptop. 

Answer:E5-573G-389U / Unknown USB device (device descript...

binodpandey, That's not really an Acer issue.  That's an issue with Microsoft Windows 10 and Samsung or Motorola.  Acer doesn't have any control over Microsoft Windows 10 when it comes to supporting third party phones. Check with Microsoft forum. http://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_devices/windows-10-does-not-s...

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Relevance 81.59%

One more yellow ? to go.  Thanks to the good advice rampant on this forum, I was able to figure out how to install the other drivers I needed.   This last one is messing with my mind tho.  It's unfair for a problem to not even have a name, doncha think?   About all I can fathom about this 'Unknown device' is its location:  'on Microsoft ACPI-Compliant Embedded Controller'. I tried the driver for 'Embedded Controller' and when I double click, it takes over the computer and tells me not to shut it down and begins installing 49 fixes.  When I did it, the program got to the 21st fix, and that was as far as it would go.  I shut down the computer after about 20 minutes.  It did not remove the 'Unknown device' remark in Device Manager. What's a poor boy to do? Also, Windows is taking forever to load. This was not the case yesterday.  Thanks for all your help. 50GreenDodge in Phoenix













Solved!

Go to Solution.

Answer:What is my 'Unknown device' in Device Manager? - ThinkPad T40 2374-75U

Hello, Have you tried installing the Lenovo System Update software to see if that detects any missing device drivers and offers to install it for you? The latest versions for your ThinkPad T40 Model 2374-75U can be found here on Lenovo's web site. If if that does not work, you could try going back into the Device Manager (filename: DEVMGMT.MSC), selecting the Unknown Device to view its properties and then go to the Details tab, where you should see several values listed in the property sheet for things like "Device Description", "Hardware IDs",  "Compatible IDs" and so forth.  Try using these as search terms in your favorite search engine to see if doing so leads you to a more detailed description of the device, including a manufacturer, brand, model or part number. Once you have that information, it may be easier to find the appropriate device driver for the unrecognized hardware. Regards, Aryeh Goretsky 

2 more replies
Relevance 81.59%

My computer keeps telling me Unknown USB Device (Device Descriptor Request Failed), so I looked up how to fix it and they told me to uninstall it then scan for hardware changes and it will reappear working properly. Only it did not come back working properly, it came back the same. I am also 98% sure that this "unknown USB device" is my built-in webcam that has never once worked. So if someone wants to help me out and allow me to use my webcam that would be great!

Answer:Unknown USB Device (Device Descriptor Request Failed)

Hi there, can you first tell us what is the Name and Model number of your system?

What OS are you running

im sorry if you already listed this, as I cannot see your specs from the Windows Forum App..

I take it this is a laptop?

13 more replies
Relevance 81.59%

Greetings folks

I have a problem that bugs me for years, I never intentionally solved it, sometimes those errors disappears and all USB ports work fine, sometimes they do not. So anyone can help me please, it would be great.

Some of my ports do not work all the time, I cannot identify a specific moment. Inside the Device Manager, Universal Serial Bus controllers, I get 1, 2 or more "Unknown USB Device ( Device Descriptior Request Failed )", sometimes more sometimes less.

CPU: Intel Core i7 3770
Motherboard: AsROCK H77 Pro4/MVP
Windows 10 all available updates downloaded and installed as of today, and everyday. The problem appeared on Win 8 or 7, not sure when. So it's not necessarily Windows 10 specific. I ported it to 10.
Here is what they look like:
http://prntscr.com/d6rm6k

Bios is up to date. Chipset drivers updated, various solution tried from googling, I even managed to make all USB ports stop working testing some of these solutions, I had to restore windows from a ghost image I had.

It's like these USB ports remain suspended sometimes.

Any advice on what to try? The most annoying part is that from the frontal USB ports some stop working randomly too.

Thank you

EDIT: The problem is the motherboard. The computer was checked at a computer service, and it seems the time has come for it to be buried.

Answer:Unknown USB Device ( Device Descriptior Request Failed )

Hi Rostos and welcome to Ten Forums!

I would recommend two utilities. Maybe they can reveal what's going on.

USB Device tree viewer from Uwe Sieber and Nirsoft's USBDeview. They will give you info about connected devices..

32 more replies
Relevance 81.59%

Turned on phone and said to plug into computer with USB and open Hisuite.  Is it an app that i can download and also how do i get the computer to recognize the phone?

More replies
Relevance 81.59%

Im running windows 10 on an HP laptop, 64 bit, and i just got a micro usb to usb device so i can transfer stuff onto my phone. It worked when i first got it but now it comes up with a Device Descriptor Request Failed and a Code 43 error. Ive tried updating
the drivers, restarting my laptop, and plugging it into different usb ports but it still comes up with the error. Any suggestions? 

More replies
Relevance 81.59%

After installing Windows 10 anniversary update, I get the following error in the device manger: Unknown USB Device (Device Descriptor Request Failed)

Tried uninstalling and restarting PC. Reinstalled Windows made from media tool. Nothing fixed it. Did a google search and nothing has worked. No USB drivers on the PC maker's website.

Any ideas?

Answer:Unknown USB Device (Device Descriptor Request Failed)

You can try going into device manager > select show hidden devices and delete all "inactive" usb device appearances. In my example below, there would be four. Once done, reboot and try your device again:

1 more replies
Relevance 81.59%

Hi, i am having weird problem on windows 10. i fresh installed today and was installing drivers and other softwares. i couldnt set fingerprint because it says biometric device is not enabled. then i realized this error code : 43 . i dont know if it s related with fingerprint or not. also i installed old driver of integrated webcam in compatible mode win 7. i dont know if it caused this problem either. any help please?





ThinkPad X201 3680-AD6 / Intel Core i5 M560 2.67Ghz / DDR3 8GB / Intel SSD 730 Series 240GB / 12.1 WXGA 1280x800p / Dual boot Win10 Pro x64 - Ubuntu 16.04 LTS 64bit + X200 Ultrabase + ThinkVision LT2252p









Solved!

Go to Solution.

Answer:Unknown USB Device (Device Descriptor Request Failed)

Done!it was Fingerprint. fingerprint socket was unplugged. after i re-plugged the socket windows recognized biometric device. then i installed thinkpad fingerprint driver 6.0, all worked fine. there is no unknown usb device anymore. regards, 





ThinkPad X201 3680-AD6 / Intel Core i5 M560 2.67Ghz / DDR3 8GB / Intel SSD 730 Series 240GB / 12.1 WXGA 1280x800p / Dual boot Win10 Pro x64 - Ubuntu 16.04 LTS 64bit + X200 Ultrabase + ThinkVision LT2252p

1 more replies
Relevance 81.59%

I know that a similar question has been asked before but, not with the last part of the message, (Device Descriptor Request Failed). I get this, in Device Manager, and I have searched for an answer on the net. Also it is a Code 43. I went through my laptop, with an HP Technician this morning, I might add at a cost of 5p/minute, for 30 odd minutes. He has said that because I had gone over to Windows 8.1 and the recovery discs I made will not load, to put back in Windows 8. I have to send the laptop back for re-installing the OS, because Windows 8.1 do not have the update for my problem. Also the R.H. USB socket has a failure ID:0GAPTK-6T7716-MFPWWK-8D1Q03. I personally think that this is all what the problem is. a duff USB. Is this a cop-out???
My question is; has anyone heard of Windows 8.1 having driver WHQL problems?? Very.

Any/all ideas, appreciated.

ps, I only found out the problem with the usb when I tried to download a Mobi file to a Kindle for my wife. The other usb's work OK.

Answer:Unknown USB Device (Device Descriptor Request Failed)

Is there only one USB port on the right hand side? Sometimes manufacturers connect internal devices via an unused USB port internally. USB ports are usually in groups of two, seeing only one port is usually a sign that the wiring has been redirected internally to something else like a Bluetooth adapter or wifi adapter. It may even be a card reader or touchpad. Is anything like that not working? If it is start looking for a driver for it.

19 more replies
Relevance 81.59%

Had to reinstall Windows XP on a T42 (2372k3U). Got all drivers loaded but one. Says unknown device on Intel 82801DBM LPC Interface Controller (24cc). What the heck is this thing? I thought I loaded all available drivers. Help.

Answer:Can't find driver for unknown device in device manager on T42

that would be this chip set driver http://support.lenovo.com/en_US/downloads/detail.page?LegacyDocID=MIGR-46058





_______________________________Thinkpad R61 7733-1GUThinkpad X61T 7762-54UThinkpad X60T 6363-4GU_______________________________Did a member help you today? Thank them with a Kudo!If a post answers your question, please mark it as an "Accepted Solution"!Regards,GMAC

6 more replies
Relevance 81.59%

Hi Team, Please help me to resolve a problem, I've one unknown device in device manager I've tried to update drivers but issue didn't reolve after it. Can you help me to figure out what is this unknown device.  

More replies
Relevance 81.59%

I have an unknown device on Location Microsoft ACPI-compliant embedded controller.  The hardware device id isACPI\LEN0068*LEN0068 Thank you for your help.   Pete













Solved!

Go to Solution.

Answer:W520 Unknown device ACPI Embedded Device

'evening...
 
it should be the the ThinkPad PM device. please install the power management driver.
full matrix: http://support.lenovo.com/en_US/research/hints-or-tips/detail.page?&DocID=HT063273
pm driver: http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS014939
 
hth.

1 more replies
Relevance 81.59%

I have had the Microsoft Wireless 2000 Keyboard and mouse for 10 months and it has been working fine. But recently when I plugged it in I got an error message which said :The last USB Device you connected to this computer malfunctioned. and Windows does
not recognize it.
I opened Devices and Printers and it said Unknown USB Device (Device Descriptor Request Failed).

Also it is on Windows 10 Home

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Relevance 81.59%

Can any help with this problem? Have a Pavilion G6 with no USB 3.0 as I am aware. USB (3 ports) not working.However, when the plugged the mobile, the mobile does get charged. Device Manager shows "Unknown USB Device (Device Descriptor Request Failed)".   Running Windows 10 64 bit. Tried everything like uninstalling, updating etc as the information on the internet. Also, updated the drivers using Driver Easy but still getting the error. Any suggests, please? Thanks in advance. Sanil Sukumaran.

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Relevance 81.59%

Hi there,I recently installed Win7 Home Premium on my Dell Inspiron 1525 which previously ran WinVista Home Premium (both are 32-bit.)However, in Device Manager, there are two devices named as; Base System Device, each with an (!) mark for them. When I dig deeper to see what these devices are, I get the following name for each of them;1) PCI, bus 2, device 9, function 3 and,2) PCI, bus 2, device 9, function 4When I then look at the Physical Object's Name, I get this;1) Device\NTPNP_PCI0024 and, 2) Device\NTPNP_PCI0023I'm not really sure what is going on! I tried using Win Updates to find the drivers, but it cannot find anything. I have a feeling that they may be devices for the integrated webcam and the card reader; however, I know I installed a driver for the card reader, so I am not sure what the other device is for... :sAny help would be greatly appreciated, Thanks.J

Answer:Unknown Device Base System in Device Manager.

Also just realised,When searching through to find my resource CD I came across a copy of Dell MediaDirect which has on the CD to install it before installing WinVista.Just a question; should I have installed Dell MediaDriect before installing Win7?Thanks.

1 more replies
Relevance 81.59%

I've got a T61 with winodws XP 32 bit.  (Only Legal Copy of Windows I can install).Wishing for Windows 7.I;ve got  4 devices I can not install drivers for.I have installed SP3 and the Sata controller. Any ideas? Here is a link to the drivers:http://craigcoleman.com/downloads/images/dev-manager.png Thankscwc t61

Answer:Base System Device and Unknown Device on T61 Drivers

At least 2 of the yellow flag devices are the Ricoh SD controller.  Go to the Ricoh website and download the SD drivers.

2 more replies
Relevance 81.59%

Fresh install of Windows 10 and the last driver I need to sort out is the above.

I believe it is my powered USB 3 hub to which I plug in my keyboard and mouse. Technically it is working but I don't like seeing yellow triangles on devices.

So are there any fixes?

Answer:Unknown USB Device (device descriptor request failed)

If it's a generic USB 2.0 Powered Hub then technically there's should be no drivers needed by Windows, if it's a USB 3.0 Hub then I'm unsure (since I don't own any USB 3.0 Hubs).

Might be a Windows bug, basically Windows can't find the description information to display the Hub's name in the Device Manager example: Generic USB Hub, Root Hub Device, etc....

I'm pretty sure everything is working as should, you're good minus the minor annoyance if all device connected through the USB Hub is recognized by Windows; if you right click Properties on the yellow triangle it probably says "The Device is working properly".

9 more replies
Relevance 81.59%

Greetings folks

I have a problem that bugs me for years, I never intentionally solved it, sometimes those errors disappears and all USB ports work fine, sometimes they do not. So anyone can help me please, it would be great.

Some of my ports do not work all the time, I cannot identify a specific moment. Inside the Device Manager, Universal Serial Bus controllers, I get 1, 2 or more "Unknown USB Device ( Device Descriptior Request Failed )", sometimes more sometimes less.

CPU: Intel Core i7 3770
Motherboard: AsROCK H77 Pro4/MVP
Windows 10 all available updates downloaded and installed as of today, and everyday. The problem appeared on Win 8 or 7, not sure when. So it's not necessarily Windows 10 specific. I ported it to 10.
Here is what they look like:
http://prntscr.com/d6rm6k

Bios is up to date. Chipset drivers updated, various solution tried from googling, I even managed to make all USB ports stop working testing some of these solutions, I had to restore windows from a ghost image I had.

It's like these USB ports remain suspended sometimes.

Any advice on what to try? The most annoying part is that from the frontal USB ports some stop working randomly too.

Thank you

More replies
Relevance 81.59%

After installing Windows 10 anniversary update, I get the following error in the device manger: Unknown USB Device (Device Descriptor Request Failed)

Tried uninstalling and restarting PC. Reinstalled Windows made from media tool. Nothing fixed it. Did a google search and nothing has worked. No USB drivers on the PC maker's website.

Any ideas?

Answer:Unknown USB Device (Device Descriptor Request Failed)

You can try going into device manager > select show hidden devices and delete all "inactive" usb device appearances. In my example below, there would be four. Once done, reboot and try your device again:

8 more replies
Relevance 81.59%

REF http://forums.techguy.org/t39523.html

I have a very similar situation.

I have a windows 98se machine runnong on an Intel Celeron 600MHz with 128MB of ram.

The OS was just installed.
I am trying to instal an HP USB burner - I used this device before with no problems.

The drivers are located on a diskette. The manuf instructions advise to connect the power and usb cables and boot the pc with the diskette in the drive when windows finds the new hardware select the floppy drive.

When the pc is booted is finds new hardware lists it as "unknown device" and does not promt me for any input. If I go to device manager the device has a red x. I've tried to remove the device and reboot - same thing. I've tried to update the driver and it says the best driver is already installed c:\windows\inf\usb.inf

The ref url was resolved by changing the order of connecting the cables.....I have tried ever combo I can.
Can someone please tell me how to point to the correct drivers ?

Thanks
Daniel
 

Answer:WIN 98se auto installing a usb device as UNKNOWN DEVICE

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Relevance 81.59%

I HAVE TRIED THE WAY THAT HAS BIN SUGGESTION WITH NO LUCK
\_SB.PCI0.OHC1.RHUB.PRT2- BIOS DEVICE NAME
PROVIDER-MICROSOFT
IF YOU NEED MORE INF JUST ASK
PLEASE HELP

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