An employee complains that every time they turn their computer off, the computer's time is set to $12$:$00$ p$.$m$.,$ and the date is set back to January $1,1990.$

Which of the following is the MOST likely cause of this anomaly?

answer

The CMOS chip is failing.

The CMOS chip on the motherboard is loose.

The CMOS battery has failed.

The CMOS settings are not being saved before the computer powers off.