How To Reset Cmos Battery On Motherboard. Press the Lock Clip sideways to release the old CMOS battery. Depending on whether this clock is turned on externally or internally a simple task of removing it from its socket and relocating it is enough to reset the BIOS password.
If the battery doesnt move easily stop following this method to reset the BIOS go to Method 1 or Method 2. Turn Off your computer and turn off the mains power. Other settings like boot order etc will be returned to defaults though when you remove the CMOS battery.
Resetting the CMOS battery and jumpers on the motherboard.
Power off the system and disconnect it from the power outlet. Resetting the CMOS battery and jumpers on the motherboard. If your computers motherboard has this clip you may need to use one hand to move the clip. Replacing them can be a real PITA.
