1, restart the computer, and press f 1 to enter bios settings (or delete, esc, etc. Different computers have different startup hotkeys. You can check the startup hotkeys of your own computer brands online.
2. Then find the SecureBoot option in security, press enter to enter, select Disable in security startup, and press f 10 to save and restart.
3. In this way, although the mistake just made won't happen again, there will generally be new problems, the startup is stuck, and the interface has been started in windows. At this time, you need to enter the bios again, change the csm item in the startup to Enable, and then save it to enter windows smoothly.
In addition, you can try to repair the system yourself with a USB flash drive.
1. pE on other computers using USB flash drive. You can download Master U and install one.
2. The USB flash drive is plugged into this computer, and the boot setting is that the USB flash drive enters the second pE.
3. Close the pop-up interface, open the system repair and repair the C disk.
4. Restart the computer and unplug the USB flash drive.