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usb power and conection problems

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2 replies

by xchungfoox

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hi i am trying to fix a friends computer problem but i have tried everything reset bios, changed bios usb legacy from auto to enabled. reinstalled windows xp....now the weird thing is i have been testing all this with my usb mouse and when i plug the mouse in, the usb symbol shows up but there is no power to the mouse...also even though there is no power to the mouse for almost the whole time; when windows starts the mouse blinks...like it should be getting power but it doesnt get power before or after that very weird......shoot i even booted into ubuntu live to see if it was windows and still nothing

2 replies

by ---tk---

try a different port, if it is wireless try pushing both tiny little buttons at the same time to sync the mouse with the "base". they are on the usb part and on the bottom of the mouse.

If switching ports doesn't work, try it on another PC, if it works, I would tend to think that the USB ports are fried, or you can look in device manager and see what the USB device looks like in there...

by hal 9000

And the M'Board damaged. This can happen when faulty Devices are attached.

You may get away with using a Powered USB Hub which will supply the 5 V DC to the Devices that you connect and not draw any power from the M'Board. But if that works it's only a stop gap measure the M'Board has been damaged and it will eventually fail so you need to look at replacing it now.

Col

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