Monitor is not Showing any Display/ The Screen is Blank
The System is in Sleep Mode: The computer may be in Sleep mode. Click the mouse or press any key on the keyboard to wake it up.
Check All Connections: For a desktop, ensure a proper connection of a cable connecting the monitor and a computer cabinet. Check that the power cables of the monitor and cabinet are plugged into the electric socket and the power is turned on.
Laptop’s Battery is Low: The laptop’s battery could be very low, causing the laptop to switch off. Connect the charging cable to the laptop and plug it into the electric socket. The laptop will start charging, and in a few minutes, the laptop can be switched on.