What should I do if ctrl+alt+del appears on the computer screen?

The solution to the problem of ctrl alt del appearing on the computer black screen: 1. Enter the PE interface and select boot area repair; 2. Enter safe mode, uninstall and delete the previously installed software; 3. Open the side cover of the chassis and connect all interfaces Unplug and plug it in again; 4. Back up the data and reinstall the system.

The operating environment of this tutorial: windows7 system, DELL G3 computer

There are reasons why a black screen appears when the computer is turned on, with the words ctrl alt del. :

• The system is damaged and the boot file is lost, making it impossible to enter the system, prompting that a restart is required;

• The hard disk cannot be recognized, Need to restart and re-detect;

The reasons for this problem may be:

• Accidentally deleted files, accidentally deleted the C drive due to improper operation Boot files in the root directory;

• Improper installation of software causes system conflicts, resulting in file loss;

• Chassis vibration leads to poor interface contact and loose hardware;

The troubleshooting method is as follows:

• Insert the system CD or U disk and boot Enter the PE interface, select boot sector repair, and the automatic repair is completed;

• After the repair is completed, press F8 to enter safe mode after booting, uninstall and delete previously installed software ;

• Open the side cover of the chassis and re-plug and unplug all the interfaces;

• ## If the problem cannot be solved, you need to back up the data and reinstall the system;

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