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USB Ports not working

By anugent ·
i have a computer that i am working on that non of the usb ports will work. i have looked in the device manager and they show not errors i have also uninstalled and reinstalled them, i have also gon as far a refomating the computer, and they still dont work. any thoguts on how to get them to work. on any usb optical mouce or any usb key that lights up when you have it plug in is blink once as soon as you plug it in help.

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All Answers

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Check

by cmiller5400 In reply to USB Ports not working

Check to see if they are disabled in the BIOS. Or GPO may be restricting them.

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5 volt Power

by TheChas In reply to USB Ports not working

Sounds to me like you have lost the 5 volt power to the USB ports.

Either from an outright failure on the motherboard or from having too many power hungry devices plugged in at once.

Aside from replacing the motherboard, I would disable the on-board ports and install a USB card.

Chas

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other devices

by anugent In reply to 5 volt Power

the power supply went out about a week ago and after i replace the power supply is when the USB ports did not work. and other devices in the device manager give me a error 10 wich is they will not start. would that be the same problem with them as well as the USB ports.

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