Public bug reported:
Mi laptop Dell E6440 no reconoce que tiene conectado un cable DVI en el
dockstation para un segundo monitor, esto paso deszpues de hacer upgrade
a la version 18.04.
root@pr:/home/pr# xrandr
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 8192 x 8192
LVDS-1 connected 1280x720+0+0 (normal left inverted right x axis y axis) 309mm
x 174mm
1366x768 60.05 + 40.31
1360x768 59.80 59.96
1280x720 60.00 59.99 59.86* 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
VGA-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm
x 301mm
1280x1024 60.02*+ 75.02
1024x768 75.03 60.00
800x600 75.00 60.32
640x480 75.00 59.94
720x400 70.08
root@pr:/home/pr# xrandr --addmode DVI-1 1280x1024_70.00
xrandr: cannot find output "DVI-1"
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-22-generic 4.15.0-22.24
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
Date: Sun May 27 18:50:51 2018
InstallationDate: Installed on 2017-12-14 (164 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
SourcePackage: linux-signed
UpgradeStatus: Upgraded to bionic on 2018-05-16 (11 days ago)
** Affects: linux-signed (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1773715
Title:
cable DVI en su dockstation pero el VGA si
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