When your monitor won’t display, there are several things you should try before seeking outside help. Below are some troubleshooting steps to take to get your monitor back up and running.
1. Check Your Power Supply : If your monitor is not powering on, make sure it is plugged in and the power switch is turned on. Ensure the power cord is plugged into a functioning wall outlet. If your monitor is plugged into a surge protector, check the power switch on the surge protector to make sure it is switched to the “on” position. Additionally, check if the light on your power strip is lit. If it is not, unplug the power cord from the power strip and plug it directly into a working wall outlet.
2. Check Your Cables : If your monitor is powered on, but the display is black, check the cables connecting your monitor to your computer. Make sure the cables are securely connected at both ends, properly aligned, and undamaged. If they appear to be fine, try swapping them out with another set of cables.
3. Check Your Video Card : If you have checked your cables and ensured your monitor is receiving power, you should check your video card. Open your computer case and look for any dust or debris obstructing the video card. If necessary, gently blow away any dust or debris and reseat (or replace) the video card. Additionally, make sure the connectors on your video card are properly secured.
4. Check the Settings : If the previous steps have not yielded any success, you may need to check your computer’s settings. On Windows, open the Control Panel and go to Display. Make sure the resolution is set correctly and adjust any other settings as needed. On macOS, open System Preferences and go to Displays. Adjust any settings as needed.
5. Check Your Monitor : If none of the above steps have worked, it is time to check your monitor. Check the power button and make sure it is functioning properly. If applicable, check any on-screen menus or buttons on the monitor and adjust them as needed. If you have access to a second monitor, plug it in and see if the problem persists. If the second monitor works, then the issue is likely with the first monitor.
If none of the above steps have fixed your issue, and the monitor still won’t display, it might be time to seek outside help. Consider reaching out to the manufacturer for assistance. They may be able to provide further troubleshooting tips or walk you through a repair. If the problem continues, you may need to replace the monitor altogether.