- Check if the monitor is securely plugged into the power outlet.
 - Ensure that all display cables are properly connected to the computer and the monitor.
 - If the power cord is connected but the screen is still not working, test the monitor with a different computer.
 - Check the brightness and the contrast settings on your computer.
 - Restart your computer, and try to check if the flickering persists.
 - If the problem persists, try updating the graphics driver.
 
