datko

Hello

I've recently experienced a problem with my USB memory stick. It has worked okay for around 3 months but now I cannot use it.

I have a Windows XP SP2 pc. When I plug it in I get this message:

USB Device Not recognised: The USB device has malfunction... etc. Under device manager it shows up as an unknown device, and in properties it says 'no driver is installed for this device'

I have tried the USB stick on another PC (running windows 2000) and it workd fine so I assume it is not a problem with the stick.

I have also tried the following:

-I have checked the USB Root Hub and USB Host controller and both seem to be working fine in device manager

-I have uninstalled the driver for the device in device manager and scanned for hardware changes. It scans: i)finds a USB device ii) then says unknown device and iii) finally says your hardware is installed and ready to use.
But then I can't access it and it still shows as an unknown device in device manager.

-I have tried a system restore back to when it was working.

None of the above steps have proved any help.

Also to clarify the memory stick is a:

Mikomi 256mb Flash memory stick which I bought from Argos a few months back.
I didn’t receive a driver disk with the product and cannot find the manufacturers website for support.

If anyone has any ideas they would be much appreciated!!

TheMatt

Hi, and welcome,

Have you tried the stick on different ports of the computer, including ones on the front and back?

datko

Thank You for your help

I have tried all my USB sockets both the front mounted and rear mounted ones.

I have also tried uninstalling an resinstalling everything to do with my usb in device manager with no luck.

It is not just my usb stick I am having problems with it is everything I plug into a usb port including my printer which just hangs at 0% whenever I try to print anything.

I draw attention to the other post about a USB virus on this page. Maybe one has emerged???

PS I have used Ccleaner and scannow to repair and faulty system files but this is useless too. I have also tried system restore back to a point when my printer was working but with no luck??

I have also tried my USB stick on another XP machine and it works fine??

TheMatt

Can you borrow another flash drive, mabye from a firend, and just test it in your computer to see if it works correctly?

When you uninstalled the driver, did you uninstall...
The Driver under Universal Serial Bus controlers labeled USB Mass Storage Device?
The Driver under Storage Volumes labeled Mass Storage Device (there may be multiple devices with this, check each name by right clicking and selecting properites)

If these don't show here, don't worry about it. I would focus on trying another flash drive in your computer, that will tell whether its a compatability issue or an issue with Windows on your computer.