If your PC won’t POST, has random boot loops, or you overclocked too far, you don’t need a physical cleaner—you need to .
A PC CMOS Cleaner (whether a physical jumper on the motherboard or a specialized software tool) performs a hardware-level reset of the BIOS/UEFI settings. It clears the volatile memory (RAM) stored on the motherboard's CMOS chip, which holds the current system configuration. pc cmos cleaner
There are several reasons to use a CMOS cleaner: If your PC won’t POST, has random boot