Unknown Device help

[deepstrike]

I have been happily using two external hard drives and my psp in connection with my computer for a number of months now until a couple of days ago when they all became unknown devices not recognised by my computer. i share my computer with other people but i've been assured they havent changed anything so why the sudden error?

if i disable usb 2.0 in the bios the computer does detect them but they run very slowly. although this helps as a temporary measure i'd like to find out how to get them running at full speed again. My usb cables all work fine, and the devices work fine on other computers. any help would be appreciated, thanks

[Goku]

Hello and Welcome to FPCH Deep. :)

 

Have you tried the basic troubleshooting steps that Microsoft recommends? If not, then try them by performing the instructions provided in the following link.

 

How to troubleshoot unknown devices that are listed in Device Manager in Windows XP

 

Let us know if it helps or not. Good Luck. :)

 

-- Goku

[Dalo Harkin]

If they are not running as fast as they should then they are USB2.0 devices plugged into USB1.1 slots or vice versa.

depending on the Motherboard not all the USB slots are USB2.0