If the power is working to everything else, but the AOC display problems, it could be the power cable for your AOC monitor.
Does the monitor work when they are plugged in instead?.Do you have any other devices you can plug in?.Do you see an error of any kind when it turns on?.
If there’s a standby light when the monitor is plugged in, can you toggle the power to see if it tries to change power states?.Most modern monitors use some sort of energy-saving technology, so if there’s no signal, they may appear to be off – but there should be an indicator light somewhere on the model. This may seem like an easy fix, but it’s often overlooked – check your power cable, power strip, and even the outlet that it’s plugged into just to rule out that those aren’t the issues. If your AOC monitor is not displaying an image, here are a couple of things you can do to troubleshoot your PC build to see why your image isn’t displaying. However, sometimes, monitors fail for other reasons. Is your AOC display not working or malfunctioning? Monitors not working are generally a sign of a defective video card or an improper graphics driver. Driver Support/ knowledgebase/ AOC Monitor Display Not Working.
