The computer does not reflect when it is turned on, and it always shuts down automatically after it

It should be a motherboard issue.

1. Unable to turn on due to static electricity on the motherboard, the solution is to call Youhu to remove the motherboard battery, and use the jumper cap to discharge the motherboard. Zheng Xi.

2. Check whether the power supply and power cord are damaged, and solve the problem, replace the power supply or power cord.

3. When the power cord is intact, the motherboard light is not lit and cannot be powered, consider the damage to the motherboard, solve the solution, and replace the motherboard.

Reason for automatic shutdown of the computer:

1.Poor heat dissipation, power failure, and motherboard failure may cause the computer to shut down automatically or restart repeatedly. (Reboot is an important feature: sometimes it shuts down, sometimes it restarts).

2.When the core components of the system are damaged, the running computer may automatically shut down. Kingsoft security experts are here to provide you with special killing tools and system repair tools, please click Fast**.

3.In the running software, there are some software with the option to shut down when the task is completed, and the user may not have noticed and turned these switches on.

These software are more common, such as Thunderbolt, Express, anti-virus software, BT**, **** and so on. In the software settings, there is an action that automatically shuts down after completing a certain task. But generally the default setting is off.

The purpose is to automatically shut down the computer when a task is completed when a task is running a more time-consuming operation.

4.Other hardware reasons.

The solution to the automatic shutdown of the computer:

1.First of all, check whether there is a problem with the hardware, focusing on the power supply of the motherboard, CPU fan, host power supply, and power socket.

2.Check if there are some applications that have enabled shutdown after the task is completed. This is evident from this. The feature is that before shutting down, there will always be a program that has been run, and a dialog box will generally pop up to remind you to shut down.

3.Resolve virus Trojans and repair system damaged files. With the latest version of Kingsoft Antivirus 2011, you can complete virus removal and system configuration repair at one time. "

Follow my method to solve the problem, and ask me if it doesn't work.

There are generally several scenarios for this:

The first is that the computer is too hot, and the motherboard detects that the temperature is too high.

Self-sale dismantling shutdown.

But this one can be turned on when the computer is cold;

The second is that the graphics card is hung up and booted without display, and there is no way to repair it;

Third, you make sure that the memory is OK, unplug the memory and borrow a memory from a friend's computer to try to see if it can be turned on!

The fourth is memory, fans, etc.

Poor contact. Loose components during machine operation.