How do I fix CMOS checksum error defaults loaded?

How do I fix CMOS checksum error defaults loaded?

How to Fix CMOS Checksum Errors

1. Restart the computer. A normal restart usually creates a new checksum and eliminates the error.
2. Download and flash a BIOS update. Download the update from the motherboard manufacturer’s website.
3. Reset the BIOS.
4. Replace the CMOS battery.
5. Consult a technician or computer repair expert.

How do I fix CMOS checksum bad?

But there are several solutions you can try to fix the issue.

1. Restart the computer. Sometimes abruptly cutting the power to your machine will cause the CMOS checksum error the next time you boot up.
2. Replace the battery.
3. Fix your CMOS battery’s terminals.
4. Reset your BIOS.
5. Update the BIOS.
6. Replace the motherboard.

What is a CMOS checksum error and how do you fix it?

Bad or old CMOS battery Reboot the computer. If the error still occurs after rebooting the computer, enter CMOS setup and check all values. Also, verify the date and time are correct. Once everything is verified and changed, make sure you save settings and then exit the CMOS setup.

What does CMOS checksum bad mean?

CMOS checksum error is caused when the CMOS values are incorrect or corrupted. This issue can occur because of: – Bad or old CMOS battery: Reboot the computer. If the error still occurs after rebooting, enter CMOS setup and check all values, this includes verifying that the time and date are correct.

How do I fix a CMOS battery problem?

To reset the BIOS by replacing the CMOS battery, follow these steps instead:

1. Shutdown your computer.
2. Remove the power cord to make sure that your computer receives no power.
3. Make sure you’re grounded.
4. Find the battery on your motherboard.
5. Remove it.
6. Wait 5 to 10 minutes.
7. Put the battery back in.
8. Power on your computer.

What happens if CMOS battery failed?

If the CMOS battery dies, settings will be lost when the computer is powered down. You will probably be asked to reset the time and date when you start the computer up. Sometimes the loss of settings will prevent the computer loading the operating system.

What happens if CMOS fail?

When your CMOS battery fails, your BIOS firmware will shut down and revert to its default settings [3].