Windows 10: Blank area at top of maximized windows in dual-monitor system

Discus and support Blank area at top of maximized windows in dual-monitor system in Windows 10 Support to solve the problem; When running certain programs in my Windows 10 v. 1909 system with two monitors, sometimes a window displayed full-screen on one monitor (in my case,... Discussion in 'Windows 10 Support' started by coffent, Jul 21, 2020.

  1. coffent Win User

    Blank area at top of maximized windows in dual-monitor system


    When running certain programs in my Windows 10 v. 1909 system with two monitors, sometimes a window displayed full-screen on one monitor (in my case, the one interfaced via the VGA port) will have a ~1" blank area at the top of the screen right below the title bar. (See the screenshot below.) From this point on, the system behaves as if that area of the window, as well as the title bar, is not there. For example, clicking the close "X" or the restore down icon at the top right of the screen will instead close or restore down any full-screen program that is underneath the problem one. Clicking areas or buttons below the blank area may or may not do anything. The problem occurs only if the window is maximized; a "normal" window, even if almost the same size as a maximized one, is not affected.

    Once the problem occurs, some but not all other programs, both 32-bit and 64-bit, also become infected. However the problem always seems to start with Mozilla Thunderbird. Closing down and restarting the programs doesn't help. The only way I've found to semi-permanently cure the problem is to reboot, at which point things will be fine for the next few hours or days until they aren't.

    Some programs that *are* affected: Thunderbird, Firefox, Notepad, Macro Exchange Pro32, VLC Media Player, Irfanview

    Some programs that are *not* affected: Word, Excel, Outlook, Powerpoint, Notepad++, PDFXchange Editor, Jarte, Mathcad, Visual Studio, Macrium Reflect

    I'm posting this problem both here and in a Mozilla forum, as I don't know if the cause is Windows 10 (it didn't happen with Windows 7) or Thunderbird, or some combination of the two.

    Blank area at top of maximized windows in dual-monitor system [​IMG]

    :)
     
    coffent, Jul 21, 2020
    #1
  2. JDemoCCC Win User

    Windows 10, multi Monitor, maximized window blank/empty space on top of screen

    is there still no fix for this? I have to users with the same setup having the same issue. They are running Dell Optiplex 7050 with dual monitors connected via Display port to the onboard integrated video card which is an Intel HD 630 graphics. I was reading
    on the intel forum that it might be a driver issue and that the older driver does not have an issue. Can anyone confirm this? This is the link to the other forum post on intel.

    Solved: Windows 10, multi Monitor, maximized window blank/empty space on top of screen. - Intel Community
     
    JDemoCCC, Jul 21, 2020
    #2
  3. Repositioning app window on dual monitor, Windows 10

    Hi Dreed,

    Thank you for your response.

    In this case, we would suggest you to follow the steps mentioned below and check.

    1. Launch Skype.
    2. Drag the Skype Window to secondary monitor.
    3. Resize the window as per your preference.
    4. Maximize the Window and Restore Down.
    5. Then close the skype window in secondary monitor.
    6. Then try re-launching and check if the issue resolves.

    Regards.
     
    Manjunath_H, Jul 21, 2020
    #3
  4. Blank area at top of maximized windows in dual-monitor system

    Windows go blank if snapping to top of secondary monitor

    My system has a GeForce GT 640M, so it seems like it could be an NVIDIA driver problem. I had it happen with Adobe Illustrator as well. Other notes:

    - It doesn't happen if I maximize with the menu button, only if I snap to the top.

    - After it goes blank I need to move the window all the way to my primary laptop monitor before I get the display elements back.
     
    Ryan_MSForums, Jul 21, 2020
    #4
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Blank area at top of maximized windows in dual-monitor system

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