rotormota 22:54 16 Jan 06


For some reason my 3 external USB devices are not being recognised by my PC anymore. Started about 20 mins ago.

Done a couple of restarts but still no luck. The devices are all powered up but currently not operational. They are a USB hub, external hard drive & external CD/DVD drive.

My mouse still works & that is via a USB.


Any ideas much appreciated please?


  woodchip 22:57 16 Jan 06

Try the USB items strait into the computer

  woodchip 22:58 16 Jan 06

If you are using a Mains Powered Hub the Mains Adapter may have failed

  rotormota 23:02 16 Jan 06

Thanks but they are all plugged directly to PC USB sockets. It's weird as the mouse is working in all of the sockets but unplugging & reconnecting the 3 devices into the same sockets gets the Windows message stating device not recognised.

It can't be all 3 devices failed at the same time.

Any other ideas?

  Softstag 23:05 16 Jan 06

Do you have anything strange in Device Manager?

  woodchip 23:11 16 Jan 06

Try this Go to Device Manager click on + at the side of USB start at bottom of USB and uninstall all USB. Then restart Computer For USB to be reloaded

  rotormota 23:15 16 Jan 06

The three devices are appearing in device manager as 'unknown devices' & with all three in 'properties' the common factor is that it states 'there are 'no drivers installed for this device'.

What on earth is going on?

  woodchip 23:20 16 Jan 06

Uninstall the yellow icons

  rotormota 23:24 16 Jan 06

There are no yellow icons. Just the usual USB icons & 'Unknown Device'

  woodchip 23:29 16 Jan 06

Remove em all and restart comp

  rotormota 23:32 16 Jan 06

Just tried another restart & did notice that all USB devices spring into action in the early stages of reboot then stop being operational at the Windows progress bar screen.

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