To fix this error follow mentioned steps:
- First of all, make sure that monitor has power and that the light is ON
- Now disconnect everything except mouse, keyboard, and monitor and reboot your PC to see if the problem is fixed or not. If your problem is fixed then it means that one of your devices was disconnected that was causing a problem. Now try to connect them one at a time and reboot each time until you detect the where the problem is. Once detected, try to reinstall the device and update the drivers to fix the issue.
- You can also attempt to connect a monitor to different CPU using the problem’s monitor power cable. If it still doesn’t work then change the monitor power cable.
- Try unplugging the monitor's power cable and wait for at least 30-40 sec and then plug it back to see the problem is solved.
But, if none of the above solutions help in fixing the problem then it is likely that your monitor is having a problem.