Some key computer functions are governed by the CMOS (Complementary Metal-Oxide-Semiconductor), a chip on your motherboard powered by a small battery.

Most importantly, a CMOS battery is crucial to maintain the RTC (Real Time Clock) on your computer. This allows proper tracking of time even when your PC is powered off.

Could the cmos battery be the issue? Could that be why I only have problems when I turn my computer off for longer lengths of time?

A dead CMOS battery or outdated BIOS can also cause boot issues. In addition, faulty RAM and Power Supply Units are also responsible for this problem. Windows computer boots after several attempts ...

The PS5 Pro teardown reveals that Sony has implemented an easily replaceable CMOS battery If you’re not familiar with what a CMOS battery is, iFixit explains it quite thoroughly.

To replace the CMOS battery, turn off your computer and disconnect the power cord to avoid an electric shock. Now, wait for some time and open the computer case. Locate the small coin-shaped battery.

I had a co-worker tell me that he had an old computer that the "trickle charger" died on him, thus causing his CMOS to die and screw up his BIOS. I have never heard of anything like a "trickle ...