1. There is something wrong with the power supply and it cannot be started. It is recommended to check the power supply.
2. The internal circuit of the host is damaged, so it is recommended to find a professional to repair it.
3. The speed and stability of the fan are not good, which leads to poor heat dissipation and the main engine cannot be started.
4. This phenomenon will also occur after the cup is damaged. If the CPU is damaged and cannot pass the self-test, the computer will not start.
Extended data
trait
1, heat dissipation
Desktop has incomparable advantages over laptop. Desktop chassis has been widely used because of its large space and good ventilation.
2. Expansibility
The chassis of the desktop is convenient for users to upgrade their hardware, such as CD-ROM and hard disk. For example, there are 4-5 CD-ROM slots and 4-5 hard disk slots in the desktop chassis. It is very convenient for users to upgrade their hardware in the future.
3, protective
Desktop protects hardware from dust in all directions. Moreover, this development is not very good in notebooks with good waterproof performance.
Step 4 be clear
The on-off button, key restart button, USB and audio interface of the desktop chassis are all on the front panel of the chassis, which is convenient for users to use.
References:
Baidu Encyclopedia-Desktop