On macOS, go to “System Settings” > “Displays” and hold Option to reveal the “Detect Displays” button. Make sure the correct ...

If your PC isn't displaying on your monitor, don’t panic. Here are the common causes and quick fixes to get your screen working again.

Monitor is powered on, but it does not turn on after boot-up beep. If the video card should be blamed, then why the monitor turns on after 5-6 boot-up attempts?