If at some point you see the computer clock constantly running wrong or when booting up, the computer shows the words CMOS Checksum Error , then it is a sign that your CMOS battery has a problem that needs to be replaced. Please follow the article below to know how.
Instructions on how to replace CMOS Battery
The computer clock runs continuously even if you have updated it or when you turn on the device, it appears as shown below, it is time to replace the CMOS battery for the computer.
Step 1: First you need to go to the store to buy a CMOS battery for about 10,000-15,000 VND per tablet. After the purchase is complete, you proceed to replace the battery.
Step 2: Turn off the computer and open the computer case and locate the CMOS battery on the motherboard.
As shown above, you can see the position of the CMOS battery (circle highlighted in red). Next, you use your hands to remove the battery and insert the new battery.
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With the little trick on the Software has shown you how to replace the CMOS Battery, with this method will contribute to extending the life of the computer, helping the computer operate more stably. Hope this trick helps you.