CMOS BATTERY FAILED ShowCMOS BATTERY FAILED
Issue
Solution
Issue
If the following error message is displayed when booting up your PC.
CMOS BATTERY FAILED
Solution
To tackle this problem simply: change the battery of your motherboard.
Learn...
Replacing the battery of your motherboard (CMOS battery) ShowReplacing the battery of your motherboard (CMOS battery)
Topics
Symptoms
Replacement sequence
Saving the BIOS data
Identify the CMOS battery
Removing the discharged battery
Installing the new battery
Verify the BIOS data and resetting...
[BIOS]CMOS Battery Low/Wrong CMOS Memory Size Show[BIOS]CMOS Battery Low/Wrong CMOS Memory Size
The message "Battery Low" and "Wrong Memory Size" generally means that the battery of the motherboard is discharged.
Solution:
Change the BIOS battery
One pf my client had the same issue. To reset the CMOS battery on a Acer 5315 is to short out the CMOS battery on boot up by using a screwdriver on both leads of the battery. This will not harm the laptop.