
If no, check in the Unknown Devices list. Then, check if your monitor is present in the Monitors section or not. Open up the Start menu, search for Device Manager and open it. While you cannot view it yourself, your computer will allow you to detect it. There may be some internal problems with your monitor. In case of a power blockage, your monitor will not get enough power, which can lead to several problems. Several times, a faulty power supply has been the reason for several issues in monitors. Nudge and wiggle the cable or disconnect and reconnect your monitor to check if the problem persists. If the problem is happening on your laptop screen, you may have to open it up.


If the body is fine, then the wires may be faulty.Ĭheck out the HDMI or VGA cable or the ribbon cable that you have attached to your computer. Before you check other sections, it is better to verify the hardware components are working fine.įirstly, check the monitor itself and see if there are any physical damages like dents or cracks. The very first thing that can happen is a faulty monitor.
