Public bug reported:
Running Ubuntu 17.04, AMD HD 7420G.
I have difficulties in trying to configure an external monitor via VGA (HDMI
works perfectly), the system crashes whenever I switch to extended mode.
Sometimes I get one monitor switched on while the other off but never duplicate
mode working perfectly nor extended mode. In the end the function never works.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: lightdm 1.22.0-0ubuntu2.1
ProcVersionSignature: Ubuntu 4.10.0-33.37-generic 4.10.17
Uname: Linux 4.10.0-33-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.5
Architecture: amd64
CurrentDesktop: Unity:Unity7
Date: Mon Sep 4 16:25:17 2017
InstallationDate: Installed on 2017-04-08 (148 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages zesty
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https://bugs.launchpad.net/bugs/1714979
Title:
Dual screen via VGA crashes
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