Dell computers will automatically shut down after being turned on, but they can still be turned on or off. What's the problem?

1. virus problem: a hacker invades your computer through a system vulnerability, and then you can remotely control all the behaviors of your computer, including the computer always shutting down automatically.

2. The computer shuts down automatically due to timing software and scheduled tasks. Some software with tasks will have the option of automatic shutdown, which may be set by users carelessly.

3. Hardware problems, such as unstable power supply voltage, poor power plug or plug contact, poor heat dissipation, cpu, memory and CD-ROM drive damage.

4. There is something wrong with the quality of the reset key of the chassis. If the reset key is damaged, the computer will occasionally touch the chassis or shut down automatically when it is used normally.

What if the computer always shuts down automatically?

First check whether it is caused by hardware problems, and check the reset of power supply, memory cpu and fan chassis respectively.

Second, check whether it is caused by Trojan horse virus.