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‎12-07-2016 11:25 AM

HP Recommended
Product: Pavillion 500-C60
Operating System: Microsoft Windows 8.1 (64-bit)

After making changes to the BIOS to boot from a CD-Rom, the system no longer accepted the mouse or keyboard, from any  USB port after a reboot (it just boots into Windows with no working mouse or keyboard).
Moving the CMOS jumper to the reset position failed to remedy this problem as well as completely removing/replacing the battery in its socket.

Is it not possible with these motherboards to reset the CMOS/BIOS to it's defaults?  If it is possible, what secret magic trick or specialized hardware is required to do this task? 30 years servicing computers, and I'm stumped on this one! 

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