usb device not recognised

October 24, 2011 at 02:43:17
Specs: Windows Vista
system showing usb device not recognised even when no usb device is connected. Message keeps poping up

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October 24, 2011 at 03:40:00
get a new computer!!
call a technician

re install it


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October 25, 2011 at 13:39:26
Hi Vansk - was there a usb device connected at one time, which may have been removed without being properly disconnected?

If so, plug it in and disconnect properly.

You have windows vista, I wonder if any usb drivers for a different/earlier os have been installed.

Please advise back on progress.

Good Luck - Keep us posted.

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October 31, 2011 at 07:03:23
Mike Newcomb. Thanks for the info. Some usbs truly may not have been removed improperly. Save one port which when connected causes whole system to freeze, all other ports now working fine.

I have Vista yes and no previous drivers can be proven to have been installed

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Related Solutions

October 31, 2011 at 07:37:34
""Save one port which when connected causes whole system to freeze...."

Take a close look at that port with good lighting.
The contacts in it may be bent such that they're touching something they shouldn't..
If so, remove the AC power to the computer, if it's on a laptop remove it's battery, and try un-bending them.

Another possibility is some desktop mboards -e.g. Asus - have headers for two USB ports or a firewire port that have identical pin arrangements - 9 pins on a double row - . If the problem port is a case port or a port in a plate on the back of the case in a slot space, it may be connected to a firewire header, not a USB header. If so. having anything plugged into that mis-wired port will cause serious problems and the mboard circuits will be damaged if whatever is plugged in too long..

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