How To Reset The Cmos Battery. Other settings like boot order etc will be returned to defaults though when you remove the CMOS battery. Gently remove the CMOS battery.
Not every type of motherboard includes a CMOS battery which provides a power supply so that motherboards can save BIOS settings. Removing the CMOS battery erases the BIOS settings. In general the CMOS jumper is three pins located near the battery.
When the CMOS setup open look for an option to reset the CMOS values to its default setting or look for an option to load the fail-safe defaults.
If the battery doesnt move easily stop. Finally remove the CMOS battery for a few minutes and then put it back in. Unplug the battery on the main board then short-circuit the positivenegative terminal of the battery holder for about 1 minute and then re-install the battery. Find the battery on your motherboard Remove it.
