White blotches arranged linearly on the laptop screen

  1. archz2's Avatar
    Posts : 166
    Windows 10-64 bit (version 1903 build 18362.175)

    White blotches arranged linearly on the laptop screen

    I am having weird white spots on my laptop in the last few days. These white blotches are arranged linearly at along the lower one-third of the screen.They don't appear if I connect my laptop via HDMI to another screen. They are clearly visible on a white background and extremely difficult to notice on any other dark background or even grey background.

    My laptop never fell and no-one hard pressed the screen. It has always remained at my table in the past one week before which there were no such blotches. What has gone wrong? I bough it in March 2019.

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      My ComputerSystem Spec

  2.    #2

    Hi, you don't say what sort of laptop it is. Clearly in warranty if needed, though.
    For example, my Lenovo has a diagnostics utility which includes a simple screen test.

    You can try a freeware screen test utility
    Dead Pixel Tester | Data Product Services Ltd.
    more complex:
    Download Monitor Test Utility - MajorGeeks

    Do you see any display problems when in Safe Mode?
    (In safe mode, the display driver is a basic MS driver)
      My ComputersSystem Spec

  3. archz2's Avatar
    Posts : 166
    Windows 10-64 bit (version 1903 build 18362.175)
    Thread Starter

    Safe mode was also displaying the same blotches.

    I went to the service centre. They replaced my screen with a new one. My laptop is Acer Nitro 5- AN515-52
      My ComputerSystem Spec

  4.    #4

    Thought that's what would happen. Thanks for letting us know.
      My ComputersSystem Spec

  5. bro67's Avatar
    Posts : 6,448
    Mac OS High Sierra 10.14.3 Beta (18D21c)

    Looks like it is a backlighting issue from the repair. Take it back to where you got it repaired and have them fix it.
      My ComputerSystem Spec


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