Why does my monitor screen keep going black?

Why does my monitor screen keep going black? 

A monitor that keeps going black is an obvious sign that something’s wrong with your computer. The question is, is the problem trivial or serious? Often, the culprit is a loose or broken cable – an easy fix. Sometimes, however, you’re looking at a bad monitor or damage to the computer itself.

Why does my screen go off after a few seconds? 

The reasons for overheating are excessive heat, dust accumulation, or vent blockage. If the monitor is old, too much dust accumulation jams the monitor vents due to which the heat cannot escape. This can result in turn OFF to keep the risk of disrupting the circuitry.

Why does my screen turn off after 30 seconds? 

Look out for screen timeout and check if the toggle switch is enabled. If enabled, it would turn the screen off after 30 seconds on inactivity when the power saving mode is on.

Why is my monitor turning off randomly? 

Monitor Overheating

If you have an old monitor then the excessive dust build up blocks the vents of the monitor which doesn’t allow the heat to escape ultimately causing overheating which would turn off your monitor in order to prevent damage to the inside circuits.