Sometimes the Ctrl+Alt+Delete command does not work. If your laptop doesn't restart after you press these keys twice, there is a problem with your system.
To solve the problem:
1. Press the power button and turn off the laptop.
2. Restart the laptop and check the keyboard lights to see if the keyboard is recognized. press the Num Lock or Caps Lock key to verify this.
3. If the keyboard is not being recognized, contact the manufacturer to solve the problem or connect another compatible keyboard to the laptop.
4. Check
Event Viewer details to see if an error has been logged.
5. Run the Antivirus Program to detect a virus or Trojan horse in the system.