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I'm running a fresh installed ubuntu under Hyper-V on Windows 8. I can't select a resolution bigger then 1152x864.

xrandr in the ubuntu VM states the maximum is 1152x864 (my local monitors are running at 1920x1050 and above so I would like a higher res.

Is there any way to run at a higher res?

2 Answers 2

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The maximum possible resolution for Ubuntu (Linux) running in Hyper-V is 1920x1080

Here is how you can change the resolution of Ubuntu (Linux) running in Hyper-V:

  • Open the Terminal and type: sudo gedit /etc/default/grub
  • Find the line starting with GRUB_CMDLINE_LINUX_DEFAULT, and add video=hyperv_fb:1920x1080 (or your preferred resolution) in between the quotes like this: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=hyperv_fb:1920x1080"
  • Save and Exit
  • Run sudo update-grub
  • Restart Hyper-V (restarting Ubuntu (Linux) might be enough)

This is for Ubuntu 14.04, but I think it will work for 12.10 and 13.04 too. Here is my original post.

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If it helps anyone else I wasn't able to get Devid's answer to work for me because I had the 'RemoteFX 3D Video Adapter' on my Virtual Machine after reading some other article.

Once I removed it, I got the full resolution (1920x1080) that I was looking for after following Devid's steps.

Settings->Hardware->3d Video Adapter

Click on 'Remove'

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