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How to discharge the computer motherboard

2025-10-23 22:26:33 science and technology

How to discharge the computer motherboard

In the process of daily use of computers, sometimes we encounter problems such as system failure to start, BIOS setting errors, or hardware failures. At this time, discharging the computer motherboard (clearing CMOS) may be an effective solution. This article will introduce in detail how to discharge the computer motherboard, and provide hot topics and hot content in the past 10 days as a reference.

1. Why do we need to discharge the motherboard?

How to discharge the computer motherboard

The main purpose of motherboard discharge is to clear the BIOS setting information stored in CMOS and restore it to the factory default state. This is useful in the following situations:

sceneillustrate
BIOS setting errorWrong overclocking settings or hardware configuration causing the system to fail to boot
Forgot BIOS passwordUnable to enter BIOS for settings
Hardware troubleshootingTroubleshoot hardware compatibility issues caused by BIOS settings

2. Steps to discharge the motherboard

The following are detailed steps to discharge the motherboard:

stepOperating Instructions
1. Power outageTurn off the computer and unplug the power cord to make sure there is a complete loss of power
2. Open the chassisRemove the side panel of the chassis and find the CMOS battery on the motherboard
3. Remove the batteryGently press the battery latch and take out the CMOS battery
4. Short jumperFind the CMOS clear jumper on the motherboard (usually labeled CLR_CMOS) and short it with a metal object for 5-10 seconds
5. WaitWait 1-2 minutes to ensure the CMOS is fully discharged
6. RecoveryReinstall the CMOS battery, connect the power supply and turn on the computer

3. Precautions

When discharging the motherboard, you need to pay attention to the following points:

Things to noteillustrate
Anti-staticTouch metal objects to release static electricity before operation to avoid damaging the motherboard.
Jumper positionThe CMOS jumper position may be different on different motherboards, please refer to the motherboard manual.
Battery modelCMOS batteries are usually CR2032, please pay attention to model matching when replacing them.

4. Reference for hot topics in the past 10 days

The following are the hot topics and content on the Internet in the past 10 days for readers’ reference:

hot topicsheat index
Latest progress in AI technology★★★★★
New version of Windows 11 released★★★★☆
Graphics card price fluctuations★★★☆☆
The concept of metaverse heats up again★★★☆☆
Computer Hardware DIY Guide★★☆☆☆

5. Summary

Discharging the motherboard is a simple but effective operation that can help solve many BIOS-related problems. You can do this safely with the steps and precautions in this article. If the problem persists, it is recommended to contact professional technicians for further troubleshooting.

Hope this article helps you! If you have other computer hardware questions, please leave a message in the comment area to discuss.

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