A monitor that repeatedly turns on and off—also known as display cycling or flickering—is usually caused by a loose or faulty cable, inadequate power supply, incorrect system display settings, or outdated graphics drivers.
To fix this issue, work through the following troubleshooting steps from the simplest hardware fixes to advanced software solutions. 1. Fix the Hardware and Cables First
Physical connection issues cause the vast majority of monitor blackouts. Why does my monitor keep on turning on and off : r/Dell
Leave a Reply