1. The power adapter is broken by accident. This kind of fault is relatively easy to solve in the automatic shutdown of notebook computers, but it is rarely repaired in this way. In this case, the multimeter can be used to test whether the power supply can output effective voltage, and if not, it can be repaired or replaced.
2. There is a serious problem with the motherboard. Problems on the motherboard are generally an important factor in the automatic shutdown of notebooks. This situation is related to the failure of the motherboard or notebook, and the liquid can't be separated. At this time, take it to the computer shop to test the motherboard. If there is a problem, it should be repaired or replaced.
Extended data
Related maintenance of notebook computer
65438+ battery
① When there is no external power supply, if the card in the PCMCIA slot is not needed at that time, it is recommended to unplug the card first to prolong the battery life.
② Room temperature (20-30 degrees) is the most suitable working temperature of the battery, and the working environment with too high or too low temperature will reduce the service life of the battery.
③ When the notebook computer can provide a stable power supply, it is incorrect to take out the battery in order to prolong the service life of the notebook computer. As far as ASUS notebook computer is concerned, when the battery is low, the charging circuit in the battery will automatically turn off, so it will not be overcharged.
④ It is recommended to correct the battery charge once every three months on average.
⑤ When using the AC adapter, please refer to the international voltage specification.
2. Hard disk
(1) Try to use it in a stable state, and avoid operating the computer in places where it is easy to shake.
② The power-on and power-off process is the most vulnerable time for the hard disk. At this time, the rotation speed of the hard disk bearing is not stable, and if vibration occurs, it is easy to cause track defects. Therefore, it is recommended to wait for about ten seconds after turning off the computer before moving the laptop.
③ Reorganize and scan the disks once a month on average to improve the efficiency of disk access.
References:
Baidu Encyclopedia: Notebook Computer Related Maintenance