![]() You’ll be paying attention to the sounds made by the computer and observing its initial lights closely. Start by tracing the cabling between your monitor and PC to ensure that you have no loose connections. Confirm that your video source is powered on and functioning properly.Try another video cable if one is available.Connect the monitor to a different video output on the computer if one is available.Reset your BIOS defaults.Test the monitor by connecting it to a different computer.If the monitor still displays a "No Signal" message please contact Acer support. Step 1: Listen as You Power On the Computer and Observe the Lights If your computer turns on but there’s no display on the monitor, turn your computer completely off and get down next to it before you hit the power button again. The main culprits of black desktop screen Windows 10 problems are. ![]() Second, it may simply be a loose connection somewhere in the machine. It should also be noted that the power supply should have a green light on it. To help troubleshoot the issue please perform these steps:Ensure that the correct type of video cable is securely connected to the correct video source. 34A 65W Dell Laptop Charger Dell AC Adapter Dell Power Cord for Inspiron 14 3442. First, it is important to double-check the power cord is plugged in securely at both ends and that it’s not frayed or damaged in any way. There are several reasons why this may occur. ![]() Why does my monitor display a "No Signal" message? - Acer CommunityĪ "No Signal" message indicates that your monitor is not receiving a valid video signal.
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