"4k" (somewhat inaccurately) refers to displays with a resolution of 3840x2160 pixels or more.

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Making XRANDR settings permanent

GNOME 3 Gnomebuntu - 15.10 I have an Intel NUC i3 6th gen and a 4k monitor with 32GB of ram. If I type the command xrandr after doing "xrandr -s 4096x2160" Screen 0: minimum 8 x 8, current 4096 x ...
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Multiple monitors HiDPI scaling

I have a Dell p2715q 27" 4K monitor and a HP 23xi pavilion 23" 1080p monitor for my dual monitor setup. The Dell monitor is currently running at a resolution of 3840x2160 @ 60Hz, while the HP is ...
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Display doesn't work over DP

Finally got my 4k workstation with Mint (17.2 w/ Cinnamon) up and running (finally!). There's just one little problem - currently it only seems to work over HDMI. If use DP connections between the ...
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Bigger X11 Cursors suitable for 4k screens

The default X11 cursors are quite tiny when the display is a 4k screen. How can I use bigger cursors? Requirements: Must work under plain X11 (no KDE, Gnome or similar bloat) Should have at least a ...