Black Spots On Chromebook Screen: Reason & Fix it

It seems like you’ve provided a detailed guide on how to repair black spots on a laptop screen. This guide covers various methods, tools, and considerations for fixing black spots on laptop screens. Here’s a summary of the steps mentioned in the guide:

What Is a Black Spot on a Chromebook screen?

Black spots are surface defects caused by dirt, particles, or defects in LCD pixels. They are not cracks or tears and are usually fixable.

Reasons for Black Spots on Laptop Screens:

  • Excessively hot or cold temperatures
  • Sudden voltage drop
  • Humid environment
  • Static display over a long time

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Methods to Fix Black Dots on Laptop Screen:

  1. Gently Rub the Dead Pixel Area: Gently rub the area where the dead pixel is located, especially if it’s on the screen’s border.
  2. JScreenFix: Visit and follow these steps:
    • Turn off your laptop for at least two hours.
    • Access the website and launch JScreenFix.
    • A pixelated box will appear; move it to the problem area and leave it for 10 minutes to an hour.
    • The box causes pixels to switch between colors, potentially fixing dead or stuck pixels.
  3. PixelHealer: Download and run the PixelHealer application:
    • Open PixelHealer and place the red box on the dead pixel area.
    • Set the timer and start flashing (avoid staring at the screen due to flashing light).

Other Methods To Fix

Black spots on a Chromebook screen can be caused by various factors, including hardware and software issues. Here are some steps to help you diagnose and potentially resolve the problem:

  1. Check for Physical Damage: Examine the screen for any physical damage such as cracks, scratches, or pressure marks that might be causing the black spots. If you find any, it could indicate a hardware problem that may require professional repair.
  2. Update Chrome OS: Ensure that your Chromebook is running the latest version of Chrome OS. Sometimes, software updates can address display issues.
  3. Restart the Chromebook: A simple restart can sometimes resolve minor glitches. Restart your Chromebook and check if the black spots persist.
  4. Check External Monitor: If possible, connect your Chromebook to an external monitor or TV. If the black spots do not appear on the external display, it might suggest an issue with the Chromebook’s built-in screen.
  5. Safe Mode: Boot your Chromebook into Safe Mode to determine if the issue is caused by a software conflict. In Safe Mode, only essential system drivers and applications are loaded, which can help identify if a third-party app is causing the problem.
  6. Check for Stuck Pixels: Stuck pixels can appear as black spots on the screen. There are online tools and videos designed to help you identify and potentially fix stuck pixels. Keep in mind that this may not work for all cases.
  7. Perform a Hardware Reset: Turn off your Chromebook and perform a hardware reset by pressing and holding the refresh button (circular arrow) and the power button simultaneously for about 10 seconds. Then release the buttons and power on the Chromebook.
  8. Factory Reset: If the issue persists and you’ve ruled out hardware problems, consider performing a factory reset. This will erase all data on your Chromebook, so make sure to back up important files first. To perform a factory reset, go to “Settings” > “Advanced” > “Reset settings” > “Powerwash.”
  9. Contact Support: If none of the above steps resolve the issue, and your Chromebook is still under warranty, consider contacting the manufacturer’s customer support for further assistance. They might be able to guide you through troubleshooting steps or arrange for repairs if necessary.

Keep in mind that attempting to fix hardware issues yourself can sometimes lead to further damage, so if you’re not comfortable with these steps or if the issue persists, it’s best to consult a professional technician or the manufacturer’s support.

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Who Choose NSS Laptop Service Center:

  • Reasonable price
  • Doorstep service
  • Quick response time
  • Final inspection before delivery
  • No extra charge for home inspections
  • Experienced engineers


The guide emphasizes the importance of fixing black spots on laptop screens and provides DIY methods to address the issue. It also highlights that while DIY solutions can work, serious problems might require professional help from a trusted laptop service center.

Please note that attempting these DIY fixes may carry certain risks, such as damaging the screen further or voiding warranties. If unsure, seeking professional help is recommended.

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