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I installed Ubuntu 17.04. I have a problem with the screen resolution, I want to set a resolution of 1366x768 but the max resolution that Ubuntu allows me is 1024x768.

I tried to increase the max resolution to 1366x768 using the xrandr command, but this command does not work properly.

If I run the command I get the following error:

xrandr: Failed to get size of gamma for output default)
galoget
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Bipul_singh
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  • Could you add output of `xrandr`and `sudo lshw -C video`commands? – Redbob Sep 25 '17 at 14:22
  • See the [answer](https://askubuntu.com/a/377944/723193) in [How to set a custom resolution?](https://askubuntu.com/questions/377937/how-to-set-a-custom-resolution). – J. Starnes Sep 26 '17 at 01:53
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    Possible duplicate of [How to set a custom resolution?](https://askubuntu.com/questions/377937/how-to-set-a-custom-resolution) – karel Jan 31 '18 at 12:03

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