PhilipSchmid/kvm-windows-10-guest-ultrawide-resolution.md

Last active January 4, 2025 04:13

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3440x1440 resolution for Windows 10 KVM VM

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kvm-windows-10-guest-ultrawide-resolution.md

Configure a Windows 10 KVM Guest to use an ultrawide display resolution (3440x1440)

virsh edit Windows10
Navigate to the <video> section and change it to the following one:

    <video>
      <model type='qxl' ram='131072' vram='131072' vgamem='32768' heads='1' primary='yes'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>

Start the VM and install the "Windows guest tools" from Spice Space: https://www.spice-space.org/download.html
Shutdown the Windows 10 VM and activate "Auto resize VM with window" via the "Virtual Machine Manager" -> open the VM -> "View" -> "Scale Display" -> "Auto resize VM with window" (https://unix.stackexchange.com/a/589766)
Start the VM. It should now automatically be scaled to the max. possible resolution.

jullrey commented Jan 4, 2025

Thanks, it worked great! had to leave my slot set to 01, and enabled 'auto resize VM to window'

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