Troubleshooting the Motherboard - CMOS Memory or Real-Time Clock

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I have lost my BIOS password so I cannot start the system and/or get into the BIOS setup program

I need to clear the CMOS memory (due to a corrupted BIOS, lost password or other problem) but do not know how to do this

My system has a CMOS clear jumper but when I use it, it doesn't seem to do anything

The CMOS battery is dead or dying

The CMOS battery is failing intermittently, indicating that it is losing power, or losing settings once in a while

My system clock is losing time or not keeping time accurately

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