CMOS Backup Battery:
An onboard battery saves the CMOS memory to keep the BIOS information stays on even after disconnected your system with power source. Nevertheless, this backup battery exhausts after some five years. Once the error message like “CMOS BATTERY HAS FAILED” or “CMOS checksum error” displays on monitor, this backup battery is no longer functional and has to be renewed.
To renew the backup battery:
1.Power off the system and disconnect with AC power source.
2.Remove the exhausted battery.
3.Insert a new CR2032 or equivalent battery. Pay attention to its polarity. The “+” side is its positive polarity.
4.Connect AC power source and power on the system.
5.Enter the BIOS setup menu. Reconfigure the setup parameters if necessary.
CAUTION:
※Danger of explosion may arise if the battery is incorrectly renewed.
※Renew only with the same or equivalent type recommended by the battery manufacturer.
※Dispose of used batteries according to the battery manufacturer’s instructions.
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