1, maybe the laptop has been used for a long time, and the power button line is broken.

2. Hard disk problem. Solution: 1, after-sales maintenance; 2, hard disk problems, mainly hard disk aging or improper use of bad tracks, bad sectors. This makes it easy for the machine to crash during operation. The fault on the hard disk must be repaired by special tools, software and maintenance personnel. If the damage is serious, only the hard disk can be replaced.

3. Don't disassemble it casually. Static electricity in people's hands will break through the computer motherboard and damage their notebooks. Notebook maintenance: 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. The power-on and power-off process is the most vulnerable time of 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. When the surface gets dirty accidentally, you can gently wipe the surface of the touchpad with the wet corner of a dry cloth. Don't wipe the surface with rough cloth and other objects.