What should I do if the computer date and time are incorrect every time I turn on the computer?

In computers, the mainboard battery is used to record the computer system time and BIOS settings. The mainboard battery can also be called COMS battery or button battery. The mainboard battery is usually CR2032. specifications, if the motherboard button battery is out of power, the system time will be restored to the factory date and the BIOS settings will be restored to the initial values. We can solve the problem by replacing the motherboard battery.

Troubleshooting method:

Buy a new button battery with the same specifications as the motherboard battery. The motherboard is usually CR2032, and then remove the button battery on the motherboard and replace it. Okay, button batteries are available in supermarkets, canteens, and online, and they usually cost just a few dollars.

Replacement steps:

First we open the case, we can find the button battery on the motherboard, some may be blocked by the independent graphics card, we may need to remove the independent graphics card , you can remove the battery.

There is a tenon on the CMOS battery holder that fixes the battery. We can use a screwdriver or directly press the tenon with our hands. The key is to break the tenon outward. The motherboard button battery will pop up automatically.

Then you can replace the CMOS battery directly.

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