Steps to replace computer motherboard button battery

How to replace the computer motherboard button battery?

How to replace the button battery on the computer motherboard:

1. First unscrew the screws on the back of the computer host and open the host case, near the south bridge on the motherboard.

2. Then there will be a silver-white disc button battery with a plus sign on the back and a diameter of about two centimeters.

3. First, check that there is a latch on the CMOS battery holder that fixes the battery. You can use a screwdriver or directly press the latch with your hands.

4. After the latch is loosened, the CMOS battery on the motherboard will automatically pop up and can be taken out directly by hand.

5. After taking out the old battery, install the motherboard battery in the same way as removing the battery.

What will happen if the motherboard button battery is removed?

The effects will be roughly as follows:

1. If you remove the button battery from the computer motherboard, the settings in the BIOS will not be saved. (Be careful not to insert the jumper cap backwards)

2. In addition, every time you turn on the computer, you will be prompted to press F1 to enter the system, which will affect the boot speed.

3. If it is an AMD or other motherboard, if the battery is removed, it will cause the computer to not boot and the code to run single F.

4. If the laptop battery is removed, the DC adapter can be used to supply power without affecting the normal operation of the laptop.

5. The premise is that the battery should be charged about 80% in advance to avoid affecting later use.

How to replace the button battery on the motherboard of an all-in-one machine?

This battery is very simple to replace. You go to a computer store and buy the same battery. This one is stuck with tape. You just remove the tape and take out the two wires. The positive and negative poles are separated. Just connect the wires to the new battery and stick it with 3M tape. This is how I connect it. How do I snap out the button battery on the motherboard?

Use a toothpick to point the button battery on the motherboard. There is a chute and just pick it upwards, and the battery will come out. Never use metal objects to pick it, otherwise it will cause a short circuit.

How to remove the motherboard button battery?

1.

First unscrew the screws on the back of the computer host and open the host box.

2.

Then you can see the silver-white disc button battery inside.

3.

Use a screwdriver or directly press down the tenon with your hands.

4.

After the tenon is loosened, take it out directly by hand.

5.

After taking out the old battery, install the motherboard battery in the same way as removing the battery.

What is the function and replacement of the motherboard button battery?

The motherboard battery is used to record the computer system time, that is, to maintain the accuracy of the system clock. When the battery is insufficient, the time will return to the date of production, and to record the hardware information used during startup, that is, to maintain the CMOS The bios information

In other words.

After the power is out, the system time will be wrong after turning on the computer, and your computer settings will also be restored, so you have to observe it every once in a while.

Generally, a battery can be used for two or three years.

Sometimes, when you can't turn on the computer and can't find the problem, take out the battery and measure the voltage. If it's too low, replace it and the problem will be solved. Also, sometimes the motherboard does not say anything If the problem is unclear, take out the battery and use a screwdriver to short-circuit the positive and negative terminals of the battery slot on the motherboard, and the problem will be solved.

I can’t quite explain the reason. An expert asked me to try it that time, and it worked. It was probably related to the discharge of the motherboard capacitor, but the reason is unclear.

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