There is no screen for computer startup and shutdown It was displayed when the computer was turned o

In the Control Panel - User --- Enable Welcome Screen, select it.

It may be that the data cable of the monitor is not plugged in.

What you say is messy, I look messy,

Hardware issues.

Generally, the memory module is loose, and the memory module can be reseated.

But you this is a sudden automatic shutdown.

There is a good chance that the hardware is burned.

Open the chassis bezel.

Smell it for burnt or mushy smells.

For the health of your computer.

It is best to send it to a computer repair station.

Detect the lower GL

The first is to check the reasons for the external equipment of the computer hardware, the poor contact of the hardware, etc.

The hardware contact is loose, the external device is plugged in wrongly, sometimes although it can be used, it will cause a variety of inexplicable computer failures, and sometimes there will be the stuck in the shutdown interface mentioned in this article.

Solution: Desktop: Check whether the mouse and keyboard are mixed, and whether the hard disk interface inside the case is loose, try to change the interface.

Notebook: Whether the external external devices are normal, try to unplug all the external devices of the notebook, turn them on again, and then turn them off.

The second type: the reason for too many system services or programs.

In the process of shutting down the computer, you need to close all the software programs and all system services in the computer one by one, and in the process of shutting down, if there is an error in a process or service, then there may be a situation that the shutdown is stuck in the windows shutdown interface.

Solution: Before shutting down the computer, it is best to close all the programs of the computer in advance, so that when the computer is turned off, it will rarely be stuck in the interface of windows is shutting down, if the computer has indeed appeared stuck in the interface of shutting down, then press the boot directly and press the computer for 3-10 seconds after the computer will be forcibly shut down.

The third type: the computer has a Trojan horse or is poisoned.

After the computer is infected with a virus or Trojan horse, the computer driver may be abnormal, or the virus Trojan horse directly tamper with the computer shutdown selection to modify it to fail to shut down normally.

Solution: Forcibly shut down and restart the computer, press F8 to enter the Windows Advanced Options menu when booting up, select Safe Mode to enter Enter, try to shut down the computer normally in Safe Mode, if it can be shut down normally, it means that the computer is poisoned or the system driver is wrong.

Use some professional antivirus software, do a full scan for viruses, and try to reinstall the system drivers. If it really doesn't work in the end, you can back up the system ghost first, and then reinstall the system to try.

Fourth: Hardware failure causes.

This problem can occur when the power management module in the motherboard's BIOS fails.

Solution: Try to restore the motherboard BIOS to initialization.

Sometimes it is caused by the BIOS settings of the computer, so it is best to set the BIOS to the factory.