You can't say that it is unplugged. Look carefully, there is a small metal piece (white iron piece) on the side of the battery. When you press it with your hand (push it in), the battery will jump out by itself.

How to change the battery on the motherboard

According to the logo in the picture, remove the battery, and then install a new battery and press it to get stuck.

I just removed the button battery on the motherboard and installed it every 3 seconds. Who can teach me how to set it to 5 points?

To be honest, it will be very troublesome even if I tell you it. Why don't you find one or go to the maintenance department and ask someone to adjust the bios for you? Besides, it will take several minutes to remove the battery to ensure discharge. And unplug the power supply. Don't worry too much. Try again and it will restore the factory settings. Unplug the battery, smoke a cigarette outdoors, and then come back and carefully install the motherboard battery.

Urgent: How to install the positive and negative poles of the motherboard battery

If the battery is defective, you can just press the side of the battery with the trademark on the outside.

Can the button battery on the computer motherboard not be installed?

If this battery is not installed, some settings of the computer cannot be saved.

I hope it will help you ...

What will happen if the computer motherboard battery is not installed?

This battery is the power supply battery of the motherboard CMOS circuit, so that the system time and hardware configuration information in CMOS will not be lost after the computer is turned off. When the battery is dead, all the personality settings in CMOS are lost, including the set power-on password information. Every time you reboot, you will get a CMOS error, and you need to reset it before you can boot normally.

when I replaced the CR232 button battery, I forgot which side was installed on the computer motherboard. should the "+"side face outward or toward the motherboard?

outward

which side of the motherboard button battery is facing down

the small mesh is facing down, that is (-) not (+),

the plane with letters is facing up (+)

the batteries are connected in series, and there are+contacts in the battery. Therefore, our batteries are-face down

Of course, there are special cases where the opposite is true ...

Is it okay to use ordinary batteries for the motherboard button batteries?

All motherboards are made of CR232, which is called button lithium-manganese batteries. It is a disposable button battery. It is recommended to buy Ultraman (GP batteries) in a bigger supermarket, and the price is generally 5 yuan/piece. Generally, there are not many counterfeit products that are over-priced.

it's definitely not possible to use ordinary batteries. First, it's difficult to install. Second, the shelf life and discharge current are different. As upstairs said, using two dry batteries in series is really 3V, which is theoretically possible. However, the discharge current of dry batteries is much larger than that of button batteries, so it's easy to burn the chip when using them, or the time is not accurate. These designs are very accurate, and it's not as simple as we thought.

The motherboard is restarted. I have removed the button battery from the motherboard. Next step

Next step: short-circuit the positive and negative electrodes where the button battery is installed, and restore the default settings when the motherboard is powered on from the newly installed battery motherboard. . . Which means it's restarted ..