Nothing on the screen? Here is how to correctly test your computer’s monitor Updated on is not anything showing up on your monitor? Fortunately, testing a monitor is one of the easier computer troubleshooting measures. By fully examining your screen utilizing a logical troubleshooting procedure, you can be sure your track is or is not working properly and then take whatever actions required to get up and running. Testing a monitor could take from several minutes to much longer based on the origin of the problem How to Test an Computer Monitor That Isn’t Working Follow these easy troubleshooting steps to test your screen: Check to ensure that your screen is on! Some screens have more than 1 power button switch–confirm that they’re all switched on. Check for disconnected monitor power cable connections. Your monitor might be working fine and your only real problem be a loose or unplugged monitor power cable. Also make sure you look after any cable adapters that are not fully secured, such as a small connector that joins an HDMI or DVI cable to a VGA plug, or even vice versa. A disconnected screen power cable may be the cause of your issue if your monitor’s power light is completely off. Check for disconnected monitor information cable connections. Again, your monitor may be turning without a issue but no information can access Our monitor test it because the cable that connects your monitor into a computer is disconnected or loose. A disconnected monitor data cable might be the reason for your trouble if your monitor’s energy light is still on but can be either amber or yellow instead of green. Turn the monitor’s brightness and contrast settings entirely up. Your screen may be displaying information but you just can’t see it because these screen settings are excessively dark. Most modern monitors include one onscreen interface for many settings, such as brightness and contrast. If it turns out your monitor is not working at all then you’ll probably not have access for this interface. An older screen might have manual knobs for adjusting those settings. Make certain all monitors are installed properly (if that is a dual-monitor setup). This step might seem too general, however if you are using two or more monitors, it is likely that the extended screens work just fine however, the operating system isn’t using them properly. This may be due to a variety of things such as a missing/corrupt video card driver or an incorrect setup procedure. By Way of Example, make sure a projector is connected to the notebook but not set up as Another display (so it remains black), or become the projector is configured as the primary screen, and Thus the on-screen display is black
