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Summary

The “System battery voltage is low” error is a problem that often appears randomly on your computers. Although this error can usually be easily solved, it involves some advanced troubleshooting. Click this post from MiniTool to get the solutions.

What Causes the “System Battery Voltage Is Low” Error

There are not many reasons for this error, and they have a lot to do with BIOS or CMOS battery. Here are two main reasons for the “System battery voltage is low” error on Windows 10.

the System battery voltage is low error

1. Your CMOS battery needs to be reinserted or replaced

The battery may weaken the voltage supplied and the error will appear if it falls out of the socket. In addition, CMOS batteries don't last a lifetime and they can’t provide enough voltage to boot the BIOS after a few years.

2. There is a problem with the BIOS settings

The problem may be related to new devices you might add, which is one of the reasons for the “System battery voltage is low” error.

How to Fix the “System Battery Voltage Is Low” Error

Solution 1: Reinsert or Replace Your CMOS Battery

The first solution to fix the “System battery voltage is low” error is reinserting or replacing your CMOS battery. Here are the steps:

Step 1: Open the computer case and find the CMOS battery that was connected to the computer's motherboard.

locate the CMOS battery

Note:
1. If you can ‘t find the CMOS battery, see your motherboard or computer documentation. You can also find it on the Internet or contact your computer manufacturer for additional help.
2. With some computers, you may need to disconnect cables, remove drives, or remove other parts of the computer to get physical access to the CMOS battery.

Step 2: Then you can remove your battery.

Step 3: Let it stay removed for 10 minutes. Then you can reinsert the same one or use a different CMOS battery and boot your computer.

Now, you can check to see if the “System battery voltage is low” error still exists. If yes, you can try the next solution.

Solution 2: Clear the System Event Log

This solution is to clear the system event log. The steps are as follows:

Step 1: Enter the BIOS, if you don’t know how to enter the BIOS, read this post - How to Enter BIOS Windows 10/8/7 (HP/Asus/Dell/Lenovo, any PC).

Step 2: You should navigate to the Advanced tab and look for the System Event Log, Clear Event Log or the Clear System Event Log at the initial screen of BIOS settings.

Step 3: Use Enter to click the Clear System Event Log option. When prompted to confirm your choice and wait for the computer to boot, you should click the Enter key again.

Then you should check to see if the error is gone now.

Solution 3: Update BIOS on Your Computer

If not, you can try the last solution to fix the “System battery voltage is low” error. The following are the steps:

Step 1: Type msinfo in the search bar to find System Information and open it.

Step 2: Locate the BIOS Version/Date and copy it to a text file on your computer or write it down on a piece of paper.

locate the BIOS Version Date in System Information

Step 3: This process varies by manufacturers, thus you can go to the official website of your computer brand to find the next steps.

Final Words

That is all information on how to fix the “System battery voltage is low” error. In conclusion, the second solution is the most convenient method for you to fix the “System battery voltage is low” error. The first and last solutions are a little difficult. But I hope one of them can help you to fix your issue.

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