This is a HWE issue, out of scope from the OEM priority project
** Changed in: oem-priority
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1202524
Title:
Switch VGA mode will become black screen
Status in HWE Next Project:
New
Status in OEM Priority Project:
Invalid
Status in “xserver-xorg-video-intel” package in Ubuntu:
Triaged
Status in “xserver-xorg-video-intel-lts-quantal” package in Ubuntu:
Triaged
Status in “xserver-xorg-video-intel-lts-raring” package in Ubuntu:
Triaged
Bug description:
On a lenovo notebook running precise with quantal LTS stack has this
issue. When connecting through VGA port, laptop monitor and external
monitor will enter extend mode. But after pressing FN+F3 to switching
mode, both laptop monitor and external monitor will become black
screen, and system is hang, you need to force to power off. When
connecting external monitor through HDMI, everything is OK.
CPU: Intel(R) Core(TM) i3-4000M CPU @ 2.40GHz
GPU: Intel Corporation Haswell Integrated Graphics Controller [8086:0416]
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