How To Fix Laptop Screen Weird Colors And Lines (7 Steps)

Weird colors and lines on your laptop screen are such a frustrating issue, but don't worry–there are a few simple things you can try to fix it.

Whether you're tech-savvy or new to computer troubleshooting, our easy steps will help you address this problem.

In this article, we'll guide you through how to fix your laptop screen weird colors and lines, including checking your screen resolution and display settings and looking for any physical damage to the LCD screen.

We'll also cover how to fix screen flickering and rainbow screens. Follow our steps below, and hopefully, you can fix your laptop's screen and get back to using it as normal.

Laptop with lines on screen

Photo credit: Crashin-KC on Visualhunt

If you're seeing weird colored lines on your laptop screen, you're probably wondering what could be causing the issue.

In this section, we'll explore possible reasons for laptop screens displaying weird colors and lines.

From display screen failure to flickering screens and damaged LCD screens, we'll cover a range of potential causes and help you troubleshoot the problem.

Whether you're dealing with a rainbow screen or weird colors on your monitor, we've got you covered.

With the right tools and knowledge, you'll be able to identify the cause of your laptop screen's weird colors and take steps to fix the issue.

Multi-Colored Rainbow Vertical Lines

If your computer or laptop screen displays multi-colored rainbow vertical lines or fuzzy colors, it could be due to various factors.

One possibility is that the laptop monitor itself is damaged, either due to physical damage or a manufacturing defect.

If the screen has been dropped or subjected to other forms of trauma, the damage may have caused strange colors to appear.

Another possibility is a problem with the display driver or the graphics card, which could be causing the lines to appear.

This could be due to an outdated or corrupted display driver, or it could be due to a problem with the graphics card itself.

It's also possible that the issue is caused by a problem with the motherboard or other hardware components inside the computer.

If the motherboard is experiencing a failure or if other components are malfunctioning, it could cause the screen to display strange colors.

Sometimes, the problem may be due to a software issue, such as a corrupt operating system or outdated display drivers. This results in laptop screen failure or a distorted laptop display.

If you've recently purchased a new laptop and are experiencing distorted colors, it may be due to a problem with the laptop's LCD panel or display.

In this case, you may need to contact the manufacturer for assistance.

Colored Horizontal Lines At The Bottom Of Laptop Screen On Startup

Both multi-colored rainbow vertical lines and colored horizontal lines at the bottom of the laptop screen on startup have the same causes.

First, the most obvious problem is the display itself, such as a damaged screen or a manufacturing defect.

Next, this could also be an issue with the graphics card on your laptop. In some cases, this problem stems from outdated graphics drivers or display drivers.

It's also possible that the issue is caused by a problem with the motherboard or other hardware components inside the laptop.

Unfortunately, a hardware problem can be difficult to detect, as the device should be opened to confirm the issue.

Another reason could be a software issue, which can cause the normal display to flicker or distort.

Lastly, this could also be from a poor connection of your computer screen to your motherboard.

If you're experiencing this issue, you should check the connection of the LCD cable or try using a different cable, such as an HDMI or VGA cable, to see if the problem persists.

You may also need to update the graphics card drivers or visit a local repair shop to check for any hardware problems.

Gateway Laptop Screen Color Line

There are many reasons your Gateway laptop screen has a color line.

Like the first two problems, the common thing causing this issue is a problem with the display screen itself, whether a hardware issue, connection issue, faulty drivers, or faulty cable problem.

How To Fix Distortion And Discoloration On A Laptop Screen

If you're experiencing distortion or discoloration on your laptop screen, there are several steps you can take to try to fix the problem.

Here is a detailed guide on how to troubleshoot and resolve this issue:

Related: How To Fix A Laptop Screen That's Cracked On The Inside

1. Restart The Laptop

The first step to take whenever you see distorted lines and weird colors on your screen is to restart your laptop.

Malware, viruses, and unfinished processes can cause these issues, and a simple restart might fix them.

Shut down your laptop for a few minutes, then turn it back on and see if the problem persists.

2. Check And Fix With An External Monitor

laptop with external monitor

Photo credit: spo0nman on

If restarting it doesn't work, you can try using an external monitor to test if the issue lies with the laptop's display or the graphics card.

To do this, you will need a cable such as a VGA connection, DVI cable, S-Video cable, or HDMI cable to connect the laptop to the external monitor and, of course, an extra monitor.

If you only have CRT monitors (cathode-ray tube), you can use that, but ensure you have VGA connections to properly connect them to your laptop.[1]

To switch the display between the internal laptop screen and the external monitor, use the function keys on your keyboard.

The key combination will vary depending on the brand of your laptop. Here are the key combinations:

  • HP laptops: press the Fn + F4 keys
  • Toshiba laptops: press the Fn + F5 keys
  • Dell laptops: press the Fn + F8 keys
  • Lenovo laptops: press the Fn + F47 keys

If the display is normal on the external monitor screen but distorted on the laptop screen, there is likely an issue with the laptop's external display.

In this case, you may need to take the laptop to a repair shop or consider replacing the screen.

If the display is distorted on both the laptop screen and the external monitor, the problem may be with the graphics card or the video card drivers.

In this case, you may need to update or reinstall the graphics driver or consider replacing the graphics card.

3. Update Video Card Driver

If the flickering screen or strange lines in your PC screen is caused by the graphics card, you may be able to fix it by updating the drivers first.

You can search for the latest drivers for your specific graphics card model online and download and install them on your laptop.

Alternatively, you can use a driver update tool like DriverFix to automatically detect and update any outdated graphic card drivers.[2]

4. Check And Fix Cable Connections Between The LCD And Motherboard

If the problem persists after updating the graphics card drivers, you may need to check the cable connection between the LCD and the motherboard.

Checking cable connections requires some work since these connections are typically located under the laptop's keyboard, and you may need to carefully disassemble the keyboard to access them.

If the LCD cable connection is loose, securely tighten it before assembling your laptop. After that, check if the problem is fixed.

If you see a broken cable, replace it right away. These cables can become brittle or frayed over time, and replacing them may help fix the problem.

You can purchase new LCD cables online or from a local electronics store.

5. Check For Hardware Issues

If none of the above steps fix the problem, there may be an issue with the hardware components inside your laptop.

You can use the Device Manager to check for any hardware issues. Open the Device Manager by right-clicking the Start menu and selecting Device Manager.

Alternatively, you can go to Control Panel > Hardware and Sounds > Device Manager.

Look for any yellow exclamation marks next to the device names indicating a problem. You can try updating the outdated drivers or replacing the hardware component if necessary.

6. Reset Screen Resolution Display Settings

If you've recently changed the screen resolution or display settings on your laptop, these changes may have caused the distortion or discoloration.

You can try resetting the screen resolution and display settings to their default values to see if this will fix the weird lines and result in a clear display.

7. Gently Press The Screen

If the problem persists, you can try gently pressing the screen in different areas for a few seconds to see if the distortion changes.

This may help identify any problems with the screen itself, such as a manufacturing defect or damage.

Bonus Step: Check For RAM Overload

If your laptop is experiencing a lot of lag or is running slowly, it may be because the RAM is overloaded.

You can try closing some open programs or windows to free up RAM and see if this helps resolve the issue.

Bonus Step: Check For Viruses

If you suspect that a virus may be causing the problem, you can try running a virus scan to see if this helps fix the issue.

You can use a free antivirus program like Windows Defender or download a paid antivirus program like Norton or McAfee.[3][4][5]

McAfee Virus and Spyware Scan Options

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By following these steps, you should be able to troubleshoot and fix distortion or discoloration on your laptop screen.

It's important to be patient and persistent as you work through these steps, as the problem may take some time to resolve. 

If none of the above steps fix the problem, you may need to visit a repair shop to have a professional look at the issue.

It's possible that the screen, motherboard, or other hardware components may need to be replaced.

If the problem is severe and none of the above steps fix it, it may be more cost-effective to replace the laptop rather than trying to repair it.

It's possible that the damage is too extensive or that the cost of repairs would be too high, in which case replacing the laptop may be the best option.

Related: Where Can You Sell A Broken Laptop?

Fixing Laptop Screen Problems FAQs

How much does it cost to fix lines on the screen?

The cost of fixing lines on the screen will depend on the cause of the issue and the extent of the damage.

Different brands could also be a factor. It could range from a few dollars for a simple fix to several hundred dollars for a more complex repair or replacement of the screen.

Is it cheaper to repair or replace a laptop screen?

It is generally cheaper to repair a laptop screen than to replace it, although the specific cost will depend on the extent of the damage and the cost of parts and labor.

In some cases, the cost of screen repair may be more than the value of the laptop, in which case replacement may be the more cost-effective option.

What is the lifespan of a laptop screen?

The lifespan of a laptop screen can vary, but most screens are designed to last for several years with proper care.

Factors such as the quality of the screen, the amount of use, and the level of care can all affect the lifespan of a laptop screen.


If you're experiencing weird colors and lines on your laptop screen, there are a few simple steps you can take to try to fix the issue.

These include checking and tightening the loose connection, updating your graphics driver from the older version to the latest driver, and making sure your laptop doesn’t have hardware problems.

By following these solutions, you can hopefully fix horizontal lines, weird colors, and other display issues and improve your viewing experience.

Don't let annoying screen issues ruin your browser or computing experience suddenly - try these steps to get your laptop screen back to normal.