Win10 updates, now can't go into hi-res display


  1. Posts : 62
    Windows 10
       #1

    Win10 updates, now can't go into hi-res display


    My son's laptop was hooked up to a 4K 60hz display on HDMI 1. After an automatic update the laptop will only work with the monitor at a lower Hz on HDMI 2. For some reason, the computer isn't recognizing the monitor at 60hz on HDMI 1. If we hook anything else up to HDMI 1 on the monitor, it displays it. How can we fix this?

    Edit: The monitor is an Asus MG28U. The computer IS going into 4K 60Hz, but the monitor is not showing up at that resolution/frequency on HDMI 1. If we use a lower resolution (another HD res Ultrabook), it DOES work on HDMI 1. It is sounding like a monitor problem
    Last edited by 3DPiper; 16 Feb 2021 at 16:29.
      My Computer


  2. Posts : 18,044
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #2

    Hello @3DPiper,

    3DPiper said:
    After an automatic update the laptop will only work with the monitor at a lower Hz on HDMI 2. For some reason, the computer isn't recognizing the monitor at 60hz on HDMI 1. If we hook anything else up to HDMI 1 on the monitor, it displays it. How can we fix this?

    [1] Do you know which Update it was?
    [2] For a list of WU's . . .

    > How to View Windows Update History in Windows 10

    I hope this helps.
      My Computer


  3. Posts : 7,607
    Windows 10 Home 20H2
       #3

    The most convenient way to view Windows Update history:

    getWindowsUpdateList.bat

    Source: Batch files for use in BSOD debugging
      My Computer


 

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