How to Fix Horizontal Lines on a Computer Screen

This article takes you through several checks and fixes you can perform on your computer and its screen to find out why horizontal lines appear on your computer screen and how to make them go away.

What causes horizontal lines to appear on a computer screen?

Horizontal lines on your computer screen can be caused by:

• Overheating or physical damage to the screen and cable connections
• Conflict between the screen and the selected screen resolution
• Incorrect refresh rate settings
• Old hardware drivers and operating systems

Some are easy to fix, while others may require a trip to the repair shop.

How to Fix Horizontal Lines on a Computer Screen

Here are the best solutions to get rid of horizontal lines on your computer screen or monitor.

1. Turn the screen off and back on. This may seem like a basic fix, but it often corrects screen glitches, such as horizontal lines.
2. Restart your computer. This can fix a variety of technical issues and may eliminate any flickering lines on your screen.
3. Try a different monitor. Doing this can help you determine whether the lines are caused by your computer monitor or the computer itself.
4. Check your monitor while disconnected. Keep your monitor powered on, disconnect it from your computer, and look for any flickering or lines on the screen while disconnected. If you see any distortion, your monitor is damaged.
5. Disconnect and reconnect the keyboard. If your computer uses a removable keyboard, remove it, wait a few seconds, and then reconnect it.
6. Close and reopen your laptop. Close your laptop screen, wait a few seconds, and then slowly reopen it. Watch to see if lines appear on the screen as you open it. If the lines only appear at a certain angle, the cause is likely a faulty cable.
7. Use your laptop on a hard surface. Soft surfaces, such as a blanket or tablecloth, can cause overheating, resulting in screen flickering and streaks.
8. Install the latest operating system updates. Outdated software that conflicts with newer hardware can cause lines to appear on your computer screen.
9. Check the display connection. Make sure all cables are securely connected, and monitor for any improvements in screen image quality while examining the cables. If you notice the image improving or deteriorating when you touch the connection cable, you may need to replace it.
10. Disconnect the display. If you're using an external display, disconnect it from your computer, wait several seconds, and then reconnect it.
11. Remove magnets and electronics. If you have other electronic or magnetic devices near your computer, monitor, or connecting cables, move them to a different location, as they may interfere with the connection and cause lines.
12. Clean your computer and monitor. Dust can cause your computer and monitor to overheat, leading to visual distortions.
13. Change your screen resolution. Whether you're using a Windows or Mac computer, try changing your screen resolution.
14. Calibrate your monitor. This process should only take a few minutes and can help optimize your monitor for use with your computer and its environment.
15. Change your monitor's refresh rate. Switching to a different refresh rate setting can help prevent flickering lines and screen flickering.
16. Update your device drivers. Check for Driver updates For screen and display related profiles.
17. Run the troubleshooter. Open Settings > System > Troubleshooting > Other troubleshooters, and run the Video Playback and Program Compatibility troubleshooter. If you're presented with recommendations for other troubleshooters, run them as well.
18. Reset your monitor to factory settings. If you're using a monitor or external display, use its built-in settings, not your computer's settings, to reset it to factory settings. You can access these settings via the physical settings or the menu button on your computer monitor.
19. Contact official support. Contact your computer manufacturer's support and inquire about repair or replacement.
20. Upgrade to a new computer or monitor. If nothing else works, it's time to upgrade to a new computer or invest in a newer monitor.

Frequently Asked Questions:

Q1: How can I fix no signal on my computer screen?
The answer: If your monitor displays a message that reads “No input signal,” you may have a faulty cable or component. To troubleshoot, turn your computer off and then back on. Also, disconnect the monitor cable from your computer and reconnect it, making sure the connection is secure. Try another monitor to see if the problem is with your computer. Also, try resetting your video card; if nothing else works, replace it. video card Your own.

Q2: How do I fix the screen color issue?
The answer: To fix colors and distortion on your computer screen Turn the monitor on and off, restart your computer, and make sure the cable between the monitor and the computer is securely connected. If you're using a CRT monitor, try demagnetizing the monitor. You can also try adjusting your video card's quality settings and experimenting with the monitor's adjustment buttons.

Q3: How do I fix shadows on my computer screen?
The answer: To fix screen burn-in, also known as "ghosting," try turning off your monitor for at least 48 hours. Also, try setting your screensaver to an all-white image and leaving it on for a few hours. You can also try using the JScreenFix tool, which fixes stuck pixels.