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There are generally three reasons for the failure of the motherboard:

Artificial malfunction

Some friends know little about computer operation and pay no attention to the operation norms and safety, which will cause damage to some parts of the computer. Such as live plug-in equipment and card, excessive force when installing equipment and card, resulting in damage or deformation of equipment interface, chip and card, thus causing failure.

Environmental failure

Faults caused by external environment generally refer to people in unknown or unpredictable, irresistible circumstances. For example, lightning strike and unstable power supply may directly damage the motherboard, in which case people generally can not prevent; another situation caused by the external environment is the failure caused by temperature, humidity and dust. The symptoms of this situation include frequent crashes, reboots, sometimes boots and sometimes fails to boot, which results in the instability of the performance of the machine.

Quality failure

Failure caused by component quality

This situation means that a component of the motherboard is damaged due to its own quality problems. This kind of fault will generally lead to some functions of the motherboard can not be used normally, the system can not start normally, self-inspection process error reporting and other phenomena.