How To Clear Cmos Battery. Locate the CMOS coin-cell battery Figure 2 and 3. If datetime do not revert to original time of MB manufacture then you didnt get a complete clear CMOS.
After clearing the CMOS reinstall the batttery. For ease look for the CLEAR CMOS label. This jumper cuts power to the BIOS and resets the settings to the default values.
It is also recommended to remove CMOS battery to ensure 100 CMOS clear on Big Bang X Intel 6x Sandy Bridge MBs.
The CMOS battery is shiny and round. The battery has an estimated life of three years when your Intel NUC isnt plugged into an AC power source. To clear CMOS you need to be careful enough. Disconnect AC power cord and remove internal CMOS battery.
