Home > Article > Computer Tutorials > Do I need to plug in the motherboard battery and replace it?
The motherboard battery is a small battery on the computer motherboard, which is used to provide power to save the computer's BIOS settings and system time and other information. Many people have doubts about whether the motherboard battery needs to be plugged in and replaced. PHP editor Yuzai is here to tell you that the motherboard battery can generally work for 3-5 years. If there are problems such as inaccurate time and lost BIOS settings, then you need to consider replacing the motherboard battery. When replacing the motherboard battery, you need to ensure that the computer is powered off, slowly remove the battery and insert a new battery, and then reconnect the power supply. Therefore, the motherboard battery really needs to be plugged in and replaced to ensure the normal operation of the computer and accurate time display.
The motherboard battery is used to save the computer's BIOS settings and clock information. Normally, it does not need to be plugged in and replaced. The motherboard battery is a rechargeable battery that is charged by power from the motherboard. The motherboard battery only needs to be replaced when the motherboard battery is exhausted or malfunctions. Generally speaking, motherboard batteries have a longer life and can be used for several years or even longer. If your computer has problems with inaccurate time or lost BIOS settings, the motherboard battery may need to be replaced.
If you want to replace it, you need to replace the motherboard button battery
The button battery only stores some simple data and time information for the motherboard, and during use, the motherboard will also charge the button battery, so generally even if The motherboard has worked for many years and the battery rarely needs to be replaced. Of course, there are also unexpected physical damages. If your computer has the following problems, it is recommended that you replace the battery.
Not forever; the battery on the motherboard will also age, and over time it will need to be replaced regularly. If the battery is not working properly or has problems, it is recommended to replace it to ensure the normal operation of the computer.
It is necessary to replace the motherboard battery, because
the motherboard battery will have the following faults if it has no power:
1: Each time the computer is turned on, the COMS interface will be entered, and the system prompts that the time is wrong. , set the time, save and restart.
2: The password will be lost, the computer is not safe, and others can easily use your computer.
Replace the battery and reset the password.
3: And Some settings on the motherboard will be reset, causing hardware errors. For example, the memory timing will be automatically set to the lowest,
the computer will run slowly, freeze, etc., and need to be reset.
Usually the lifespan of a computer motherboard battery is four years. Under normal circumstances, we replace the battery every three years. After the computer is used for four or five years, it is easy to cause the battery to age, resulting in inaccurate time, invalid motherboard bios settings, etc. , the solution is to replace the battery. Of course, you can also keep the computer plugged in to an external power source, but it is generally more convenient to replace the battery.
1. The usual service life of the motherboard battery is 2-3 years.
2. The motherboard battery is used to record the time of the computer system, that is, to maintain the accuracy of the system clock. When the battery is insufficient, the time will return to the factory date. When the computer is turned on, cmos errors frequently occur, and the date and time are incorrect. It's time to replace the battery.
3. If the motherboard battery is out of power and the computer is not turned on for two days, the system time will not be accurate after turning on and will return to the motherboard production time. If the battery is insufficient, the system time will slow down, such as now. It is 10:00 on January 1, 2013. It may be displayed that the displayed time is 9:00 on January 1, 2013, which is easy to identify.
Usually about 2-3 years. Subject to the specific circumstances of use. When the battery is insufficient, the time will return to the factory date, and the hardware information used during startup will be recorded, that is, the BIOS information that maintains CMOS.
Replace the battery and turn off the computer's power. Open the case cover and you will see a round battery. The diameter is about 1.5-2.0CM, take out the battery, and then take out the new battery and install it. Pay attention to the direction of the positive and negative poles of the mercury battery. Then replace the battery according to the reverse action of removing the battery just now, and it is installed. Then close the case cover. Then restart the computer and make various CMOS settings.
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