I've pulled my Xorg logs in case they might useful in providing clues:
More logs for clues:
Xorg.0.log:http://pastebin.centos.org/8891/
Xorg.0.log.old:http://pastebin.centos.org/8896/
Xorg.1.log:http://pastebin.centos.org/8901/
Xorg.9.log:http://pastebin.centos.org/8906/
On 04/15/2014 05:14 PM, Denis Leclair wrote:
That's correct Alan. For other people's benefit in case you haven't
gone to my post on the CentOS forum, xrandr is not returning anything
for the VGA port or any other port for that matter. The output is
shown here:
Output from xrandr:
CODE:SELECT ALL
<https://www.centos.org/forums/viewtopic.php?f=21&t=45930#>
|[dleclair@dleclair-lptp Downloads]$ sudo xrandr -q
[sudo] password for dleclair:
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x
1080
default connected 1920x1080+0+0 0mm x 0mm
1920x1080 0.0*
[dleclair@dleclair-lptp Downloads]$
|
On 04/15/14 4:10 PM, Alan Bartlett wrote:
On 15 April 2014 21:09, Alan Bartlett<a...@elrepo.org> wrote:
On 15 April 2014 20:41, Denis Leclair<de...@theleclairs.ca> wrote:
I have CentOS 6.5 running on an HP EliteBook 840 G1 with kernel-ml. The
problem is, I'm not getting any detection of the external monitor that I
have plugged in to the VGA port. I'm not sure where to beging
troubleshooting this problem and I'm not finding a whole of advice online
either.
The details of what I get from xrandr as well as other system information
can be found on this post I added to the CentOS forums:
https://www.centos.org/forums/viewtopic.php?f=21&t=45930
I would appreciate any advice on things that I should check for or
additional reading I can do on the topic.
Thanks.
I'd suggest that you consider using xrandr.
Look to see what interfaces it recognises, by default. Plug in the
external monitor and use xrandr to activate the interface.
For example, with my Dell Latitude E5500 I see the following --
[Duo2 ~]$ xrandr
Screen 0: minimum 320 x 200, current 1280 x 800, maximum 8192 x 8192
LVDS1 connected 1280x800+0+0 (normal left inverted right x axis y
axis) 331mm x 207mm
1280x800 60.0*+ 59.8 59.9 40.0
1280x768 59.9 60.0
1024x768 60.0
800x600 60.3 56.2
848x480 60.0
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
TV1 disconnected (normal left inverted right x axis y axis)
[Duo2 ~]$
Alan.
Oops. Ignore that. I now see that you have already looked into using xrandr.
Alan.
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