• Cannot change resolution in VirtualBox VM on Win10 host


    heyo folks, first post here! :)

    so please forgive me if I went the wrong direction with the subforums and if I may overlooked an already existing post…

    short:
    I successfully installed a minimum Antergos 19.4 KDE as a guest in a virtualbox VM. But I cannot change the resolution from 800x600 - well I can but after half a second it jumps back to 800x600. Nothind worked so far…

    long:

    I am an IT (and English) teacher at a German vocational business school and I am planning the Linux project for the upcoming semester. Just wanted to get this out of the way before questions occur ;D

    my Host System:

    Windows 10 64bit 18.09
    AMD Ryzen 2700X
    nVidia GTX 1060

    guest systems have 8CPUs, 8GiB of RAM and max. 128MB of VRAM.

    other guest systems which work just fine: Ubuntu, Mint, Manjaro, Solus. Basically every single distro I tried.

    Well Antergos works perfectly fine as well, except the resolution issue - which is rather crucial bcs I cannot show my students anything properly via projector with a 800x600 screen as you might assume.

    interesting to add: VirtualBox host shows the option “auto resize guest display” as greyed out, no idea why.

    what I did so far:

    1. installed Viurtualbox extensions on host
    2. updated the installed Antergos
    3. added guest-additions to Antergos
    pacman -S virtualbox-guest-utils
    

    which then installed virtualbox-guest-modules-arch as well (i also tried virtualbox-guest-dkms without success)
    4. “modprobing” for lack of a better term, lol

    modprobe -a vboxguest vboxsf vboxvideo
    
    1. checked the config file:
      /etc/modules-load.d/virtualbox.conf
      which already had everything in it:
      vboxguest
      vboxsf
      vboxvideo

    2. enabled and launched vboxservices:

    VBoxClient --clipboard
    VBoxClient --draganddrop
    VBoxClient --seamless
    VBoxClient --display
    VBoxClient --checkhostversion
    VBoxClient --vmsvga-x11
    systemctl enable vboxservice.service
    
    1. rebooted over and over again…

    I hope you can make something of it :/

    attached some screenshots of showing the running services, a neofetch screen and the greyed-out screen size option in VB.

    antergos5.png antergos4.png antergos3.png antergos2.png antergos1.png

  • @mbkmsi may change the used GPU mechanism for the box helps:
    Bildschirmfoto vom 2019-05-16 14-17-08.png
    as reported change controller to VBoxVGA is working better

  • @joekamprad said in Cannot change resolution in VirtualBox VM on Win10 host:

    @mbkmsi may change the used GPU mechanism for the box helps:
    Bildschirmfoto vom 2019-05-16 14-17-08.png
    as reported change controller to VBoxVGA is working better

    ooh my f**ing word, I thought I already changed that…

    yes, it did the trick. Muchas gracias mi amigo :D

virtualbox47 resolution21 host5 win105 Posts 3Views 70
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