Laptop has a black horizontal line – How do I fix it? – 4 ways

Laptop has a black horizontal line
Laptop has a black horizontal line

Laptop has a black horizontal line – How do I fix it? – 4 ways

A black horizontal line across your laptop screen is not a good thing. You’re probably seeing it because there’s something wrong with your display. Here are some possible causes for this issue and how to fix them.

1. Check if the problem is software or hardware related

If the line is only visible on your laptop screen and not on other devices, it’s likely a software problem. This means that you may be able to fix it yourself.

If the line is only visible on other devices, then it’s probably a hardware issue—something that can only be fixed by replacing one of the components in your laptop.
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If you are seeing this line both physically and digitally, then there’s an issue with both hardware and software components working together. Either way, if this happens to you then there is no quick fix available; it will take some time for a professional technician to diagnose what’s wrong with your device before making any repairs or replacements necessary.

2. Update your graphics card driver if the problem isn’t hardware related

The next thing you can try is updating your graphics card driver. If you’re not sure if it needs to be updated or not, go ahead and look for the latest version on the manufacturer’s website. You can also check the laptop manufacturer’s website for a list of compatible drivers and which ones are recommended by them.

If there is no update available, that means that either:

  • There has been no update in a while (which could mean this problem is hardware related) or
  • You have an older model whose manufacturer doesn’t provide updates anymore (which could mean this problem is hardware related).

There are many ways to download drivers for your laptop, but one of the easiest is through the manufacturer’s website. If you’re not sure what kind of graphics card is in your laptop, go ahead and look up its make and model online. You can also consult with a computer technician who may be able to help you identify which kind it is and then how to update its driver.

3. Restart your computer to see if it fixes the issue

Restart your computer and see if the problem is resolved. This can fix software-related issues, but it won’t repair hardware problems. If you still have a black horizontal line on your screen after restarting, then it’s most likely not a software issue and you’ll need to move onto one of the other methods listed below.

4. Replace your laptop display panel or screen if needed

If the line is permanent, it means that the issue has something to do with your display panel and not just the screen. You will need to replace the LCD or LED backlight panel on your laptop.

If the line is temporary, then you may have a different problem – one that could be solved by replacing your screen instead of your entire display panel. In this case, all you’re doing when you replace your laptop’s screen is removing and replacing old parts with new ones – no big deal!

You can fix a laptop line with some careful troubleshooting

There are a few ways you can troubleshoot and fix a laptop line. The first thing to do is to make sure the problem isn’t software-related, which is easy enough to do. Just restart your computer, then click on the Start button in the bottom left corner of your screen (or press Windows key + R). In that box, type msconfig and hit Enter on your keyboard.

In this window, click on “Services” in the left-hand menu bar, then scroll down until you see “NVIDIA Display Driver Service.” Right click on it and select “Properties”:

If it says that it’s running as an automatic process (and not as a manual one), then it’s probably not causing your issue—but if it does run manually or not at all, double check that there aren’t any other services interfering with this one before moving on to another troubleshooting option!

Conclusion

If you’re still having problems with your laptop display, we recommend taking it to a repair shop. From my experience, they are better equipped to deal with this sort of thing than I am!

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