Bug confirmed on newer versions of Ubuntu also.
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https://bugs.launchpad.net/bugs/1682883
Title:
Missing 2560x1440 resolution on a Dell XPS 2720 all-in-one
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The bug is still present in all subsequent versions of Ubuntu (17.10,
18.04 and 18.10).
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1682883
Title:
Missing 2560x1440 resolution on a Dell XPS 2720 a
Public bug reported:
The problem appeared after a distro upgrade from Ubuntu 16.10 to Ubuntu 17.04
(kernel 4.10.0-19-generic).
The issue doesn't exist when booting with the previous kernel
(4.8.0-46-generic).
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: xorg 1:7.7+16ubuntu3
ProcVersion
