Black borders / resolution problem on Windows 10

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  • Oximini
    PCHF Member
    • Sep 2023
    • 1

    #1

    Black borders / resolution problem on Windows 10

    Hi there !

    I’m trying to help a family member with her PC, but I’m starting to get out of things to try. Basically, all of a sudden the computer has started to present 2 quite big black borders on each side of the monitor (see here), without any particular incident prior to that.

    I’m pretty far away from the PC itself, but I got a couple of remote sessions to troobleshoot things I could think of. Here’s what I tried so far:
    [ul]
    [li]Checking resolution from display menu: it shows the correct 1920*1080 one.[/li][li]Set the global Windows theme to default: no change.[/li][li]Change the frequency from 59,9Htz to 30, then to 60, then back to 59,9: no change.[/li][li]Swapping the HDMI cable: no change.[/li][li]Lurking through the monitor inboard menu: nothing seems wrong. I didn’t find a “factory settings reset” option though.[/li][li]No chance to swap another port on the monitor because there’s only a single HDMI and D-Sub one… And no possibility to swap the display port on the other end because it’s an iGPU with only one HDMI too.[/li][li]Run the whole computer through a full MalwareBytes and CCleaner scan: nothing popped.[/li][/ul]
    I was thinking I could try to use DDU, but there’s no discrete GPU (3400G on a B450M PRO-M2 max) so there’s no point, is it ? I know it’s usually pretty “last resort”, so I don’t want to unnecessarily mess everything up, and even less since I’m not actually in front of the computer myself.
  • veeg
    PCHF Director
    • Jul 2016
    • 8982

    #2
    Hello

    Does the family member have another monitor to test with?

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    • Rustys
      PCHF Member
      • Jul 2016
      • 7862

      #3
      Hit and Run poster.

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