What s going on with the computer restarting with its own black screen

1. Viruses in the computer.

Generally speaking, many computer viruses will find this situation, when computer applications and core components are damaged by computer viruses, the computer may automatically shut down, and when there is malicious programs installed in the computer virus, it may be restarted to complete the installation of malware. The principle is similar to when we install some software. It is also common to find that some important security software needs to be restarted after installation.

2. The computer contains running software, and the task of automatic shutdown at the end of the operation is completed.

This situation is very common, and it is also a low-level mistake that novice friends are often prone to make, some of our more common software, after the software runs can be set to automatic shutdown, etc., such as more common, such as Thunderbolt, Express, antivirus software (360 antivirus and Kingsoft antivirus, etc.), 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.

Its purpose is to automatically shut down the computer after completing the task when running a more time-consuming operation, so if you find that the computer automatically shuts down, you need to check if there is any software that has such a setting.

The antivirus software will automatically shut down after the antivirus is set to kill the virus.

Hardware: Three: Computer hardware heat dissipation problems lead to automatic shutdown.

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), and it is more common for the computer processor (CPU) to have poor heat dissipation and excessive temperature, causing the computer to restart repeatedly.

Four: the computer host computer power switch is not in good contact.

The author has encountered such a computer, the computer is always automatically turned on after the regular shutdown, sometimes a boot is not into the page on the shutdown, the problem is very strange, and finally after a large number of elimination found that the computer host computer boot button internal failure.

Five: computer power supply problems.

The computer power supply is the power source of the computer, known as the heart or power station of the computer, if there is a problem with the computer, such as the unstable output of the computer, it is easy to cause the computer to restart or shut down.

The computer screen is black, and the reboot method is as follows:Tools Raw materials: Lenovo Xiaoxin air15, windows10, power button.

1. Turn on and enter the system, press and hold the power button to turn off, repeat 3 times, and then pop up the "Select a selection" interface, click "Troubleshooting".

2. After entering the "Troubleshooting" interface, select "Advanced Options".

3. After entering the "Advanced Options" interface, find "Startup Settings" below.

4. After entering the "Startup Settings" interface, check the widows option prompted below to change the posture, and click Restart.

5. After restarting, you will enter the "Startup Settings", and use the number keys to enter the "4) Start Security Mode" according to the information in the following list, and the restart will be successful.