VirtualBox Win10 guest Display issues Solved

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  1.    #1

    VirtualBox Win10 guest Display issues

    Hope this is the right place to post this.
    I am running Windows 10 Insider previews, 32 and 64,as a guest in Win7 host.
    When I have guest additions installed I only have 800x600 and 1024x768 available as screen resolutions. Auto resize does not work.
    I have no issues when running other OS's just Win10.
    I have tried uninstalling, re-installing GA. Settings are as recommended. 3D is not available due to hardware graphics acceleration.
    Any ideas or suggestions on getting resolutions/re-size to work?
      My ComputerSystem Spec

  2.    #2

    VirtualBox 6.0.2 Oracle VM VirtualBox Extension Pack

    All supported platforms

    Support for USB 2.0 and USB 3.0 devices, VirtualBox RDP, disk encryption, NVMe and PXE boot for Intel cards. See this chapter from the User Manual for an introduction to this Extension Pack. The Extension Pack binaries are released under the VirtualBox Personal Use and Evaluation License (PUEL). Please install the same version extension pack as your installed version of VirtualBox.

    Try installing the expansion pack.
      My ComputerSystem Spec

  3.    #3

    Thank you for the reply
    I have the extension pack installed. I believe that is where the guest additions comes from. I reinstalled it and the GA anyway.
    Nothing has changed, still have the same issues.
    Auto-resize does not work and only have the 2 resolutions available.
      My ComputerSystem Spec

  4.    #4

    Any body?
      My ComputerSystem Spec

  5.    #5

    What display adapter is listed in Device Manager in the guest?

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      My ComputerSystem Spec

  6.    #6

    First, thank you for your reply.

    Virtualbox graphics adapter (WDDM)

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      My ComputerSystem Spec

  7. jimbo45's Avatar
    Posts : 6,744
    Windows / Linux : Centos, Ubuntu, OpenSuse

    Hi there
    I assume your HOST machine is a Windows 7 machine. So check that the HOST display driver is up to date. Apart from that I run VMWare so I can't give you any more advice on VBOX --you've already installed the VBOX additions or whatever it's called these days. That (the equiv in VMWare is VMware tools) normally fixes display problems on GUESTS.

    I'm surprised the 3D thing isn't working either -- normally there's something in the VM configuration file to enable this or in the Create Virtual Machine wizard. If you have the option also on the HOST machine for hardware acceleration ensure that is enabled too.

    OK this is VMWARE but I'm sure the VM config / setup screens must be similar in VBOX

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      My ComputerSystem Spec

  8. Hopachi's Avatar
    Posts : 952
    Windows 10 Pro 64-bit

    In VirtualBox 6 you can switch between virtual graphic cards.

    What is the Graphics Controller used at the VM Display settings?

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    Try switching between VBoxVGA and VBoxSVGA. Second is newer and better in performance but with any issue then switch back to VBoxVGA, start VM again and reinstall GAs.

    After any switch of virtual graphics card, reinstall GAs just in case.

    The use of VBoxSVGA is now default and recommended but there were some issues, in one of the versions, with it if the 3D acceleration was disabled. Test it with or without 3D acceleration but the choice depends on your preference and whether it works or not.
      My ComputersSystem Spec

  9.    #9

    I have one win10x32 set as vboxvga and win10x64 set as vboxsvga 3d is not abvailable
      My ComputerSystem Spec

  10.    #10

    After getting a great hint it might be the Host,, Eureka!!
    In Host/ Preferences / Display changed to Automatic and it now re-sizes. YAAYYY

    Thank You All

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