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Unrecognised devices

tonko

FPCH Member
Joined
Mar 1, 2008
Messages
23
#1
My PC (OS: XP Pro) has suddenly stopped being able to 'use' any of the attached devices. At first, only the two internal CD Rom drives and an external DVD (via USB) were not recognised. Now, it does not recognise these or anything plugged into any of the USB ports or even the printer. When I go into Device Manager it lists the devices ("Philips", "Optorite" or whatever) but it has a small yellow circle with an explanation mark in it next to the name. Luckily, the monitor and ethernet connections work (at the moment!). It's a bit of a worry because I can't back-up files. Any ideas anybody? A colleague has suggested problems with the motherboard.
 

tonko

FPCH Member
Joined
Mar 1, 2008
Messages
23
#3
Thanks for the prompt response.

I have never opened up the PC. How do I reinstall the USB drivers?
 

maynardvdm

FPCH Long Term Member
Joined
Feb 7, 2007
Messages
3,117
Location
South Africa
#4
Go to Device manager
right-click where the device has a yellow circle with an explanation mark
click properties
click on the drivers tab
click update driver
and follow the prompts.
 

tonko

FPCH Member
Joined
Mar 1, 2008
Messages
23
#5
Thanks for that but I've already tried. It just comes up with "You already have the updated version" or something similar. I've tried it for the USB hubs as well as the CD/DVD drives.
 

Tony D

Free PC Help Long Term Member
Joined
Dec 30, 2007
Messages
704
Location
Malvern, PA (USA)
PC Experience
Some Experience
Operating System
OSX
#6
You can try doing a System Restore. Choose a date that you know the machine was working.