Mouse and Keyboard work in Bios, wont work in Windows

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I recently bought a new custom computer with windows 7 pro. For some reason i re-installed windows 7 just to make sure and now the mouse/keyboard will work in BIOS, but not in windows. Ive spent hours looking at solutions, and I can assure you no bios altering is needed regarding USB configuration etc... I think it has to do with an unknown device that has cropped up in the device manager, and it seems that when I uninstall it within safe mode and restart into windows normally, the mouse and kb work fine. BUT when I look in device manager in windows the same unknown device is still there. I cant seem to permanently uninstall it. Furthermore I dont know what it is; I cant see a DEV or VEN code.

Any idea?

Please help.

Thanks!

I didn't find the right solution from the Internet.

References www.tomshardware.com/answers/id-1751461/mouse-keyboard-work-bios-wont-work-windows.html

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