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Message #52889
[Bug 1300914] Re: External screen undetected after first plug
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.14 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.
If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".
Thanks in advance.
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: trusty
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1300914
Title:
External screen undetected after first plug
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
On Ubuntu 14.04, the external screen plugged on VGA is detected and get activated correctly.
However, if I unplug it and then replug it later, it is not detected anymore and the screen receives no signal.
A way to get it back to work is to reboot or simply suspend the
computer.
Sorry but I have no idea of what package is handling that.
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References