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I recently got a Zenbook Prime and installed ubuntu. Following The tips at worked out pretty well.

Only one problem remains: I can not set the DPI. I tried to do xrandr --dpi 138/eDP1 but that doesn't seem to have the desired effect. It changes the output of xdpyinfo |grep resolution but no change is visible. Also, xrandr still reports the same screen size.

I tried adding Xft.dpi: 138 to .Xresources, which didn't change anything.

I also tried to generate a xorg.conf, where I set

Option       "DPI" "138 x 138"

in the monitor section. The Xorg.0.log then tells me

(==) intel(0): DPI set to (96, 96)
(WW) intel(0): Option "DPI" is not used

I have no idea what else to try and it doesn't seem any one else has the same problem :(

Any help would be much appreciated.

PS: I know that it is possible to zoom fonts, but I'd rather actually set the DPI of the screen.

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I am not entirely sure if this is what you want, but as a workaround you can use Ubuntu Tweak's 'Font scaling' tweak to change the dpi of the fonts in your GUI, thus resizing a lot of elements and therefore having more screen real estate.

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This is the workaround that I am currently using but it is not a real solution imho. – Andreas Mueller Apr 1 '13 at 11:55
Andreas, did you find a solution. I am too trying to do the same. – Vivek Sharma Apr 15 '13 at 3:50
@AndreasMueller Did you solve it? Trying same. – umpirsky Jun 11 '14 at 15:34
None, I did not :-/ – Andreas Mueller Jun 12 '14 at 9:45

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