How To Remove Horizontal Lines From Computer Screen?

To remove horizontal lines from your computer screen, consider the following troubleshooting steps based on the search results provided:

1. Check Video Cable Connections: Ensure that the video cable is securely connected between your computer and the monitor. Try reconnecting the cable to rule out loose connections as a potential source of the issue.

2. Update Graphics Driver: Outdated or faulty graphics drivers can cause display problems. Use Device Manager to update your graphics driver:

   • Press Win + X, click on "Device Manager."
   • Expand "Display Adapter," right-click on the video driver, and select "Update Driver."
   • Follow the prompts to update the driver.

3. Run Display Quality Troubleshooter: Windows includes a built-in troubleshooter for display quality. To access it:

   • Open the Run dialog (Win + R), type control, and press Enter.
   • Select "Large icons" view, click "Troubleshooting," then "View all" on the left.
   • Locate and click "Display Quality," follow the on-screen instructions.

4. Adjust Screen Resolution: An incorrect screen resolution setting might cause horizontal lines. Go to Settings > System > Display and ensure that the scaling and resolution are set to their recommended values.

5. Perform a Clean Boot: Sometimes third-party applications can interfere with your display. To identify the conflicting application:

   • Open the Run dialog (Win + R), type msconfig, and press Enter.
   • Check "Hide all Microsoft services" under the "Services" tab, then click "Disable all."
   • Proceed to the "Startup" tab, open Task Manager, and disable each startup item. Reboot your computer.
   • Enable apps one at a time until the issue reappears, then remove the conflicting app.

6. Restart Your Monitor: Turn your monitor off and on again to see if the lines disappear.

If the issue persists after trying these steps, it might be a hardware issue, such as a defective ribbon cable or display. In this case, consider contacting the manufacturer for support or seeking professional repair services.