From your X logs, I don't see VGA1 showing up as detected or connected.
Where are you seeing it as claimed as set? Are you looking at some
other set of logs?
You mentioned you had tried this:
$ xrandr --auto --output VGA1 --mode 1920x1080 --right-of LVDS1
$ xrandr --auto --output LVDS1 --mode
** Package changed: xorg (Ubuntu) = xserver-xorg-video-intel (Ubuntu)
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https://bugs.launchpad.net/bugs/979004
Title:
Xorg freezes or an external display is not handled correctly
To
** Description changed:
- Since I upgraded (I did a clean install just without erasing /home)
+ Since I upgraded (I did a clean install, just without erasing /home)
from 10.04 to 12.04 (both 64-bit) I can't reliably connect an external
display.
I tried it with the same screen (Dell
There is a ppa for bug #921236 which would probably be worth testing
first, to rule out if this is just a dupe of that bug.
https://launchpad.net/~sarvatt/+archive/sru6
Test that out, then report your findings back here.
** Changed in: xorg (Ubuntu)
Status: New = Incomplete
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You
I'll check it, but a few people indicated in comments to bug #921236
that the current PPA packages don't fix it for them.
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https://bugs.launchpad.net/bugs/979004
Title:
Xorg freezes or
I've added the PPA, fully upgraded my OS, rebooted to the new kernel and
the issue still stays. I can't (so far) make my computer to freeze in
this way but still nothing is sent to an external screen although Ubuntu
detects it and claims it's set.
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