Try program called 'arandr' - it is nice graphical configuration tool for
xrandr, simple and powerful.
What type of connection do you use (probably HDMI) and what graphics card
do you have?
2013/10/27 Ally Biggs <bluechrome@???>
> That's the problem with Linux at times if you want to get something to
> work you have to be a professor or have to tinker with config files it's
> like no just plug n play! Why the hell does a average user need to get out
> of there depth to get something simple to work.
>
> Never had this problem on a Win box hooked up various devices to TV
> without a problem.
>
>
>
> Sent from my iPhone
>
> On 27 Oct 2013, at 11:34, "Leo" <linux@???> wrote:
>
> > After further investigation, if the TV was set to the "TV input" when
> the laptop was switched on then pre-X output would show up, but as soon as
> X started the output was lost. However after a few restarts and shutdowns
> even this doesn't work. So I haven't been able to capture the output of
> xrandr. (As an aside is there a way to permanently log all console
> input/output for use in these situations?)
> >
> > What's particularly surprising is that I can't find anything in any logs
> to help debug this. Coupled with the fact that no config has changed on the
> laptop since it initially worked I feel like I'm back on windows - there's
> a problem but insufficient info is available for me to try and fix it!
> >
> > Leo
> >
> > > Hi Leo
> > >
> > >
> > > On 27 October 2013 01:07, Leo <linux@???> wrote:
> > >
> > > > **
> > > >
> > > > Perhaps I should also have added this problem occurs before X
> starts. I.e.
> > > > the first time I connected the TV I could see the boot process
> messages on
> > > > it. However, now even those don't show up.
> > > >
> > > >
> > > >
> > >
> > > Have you looked at xrandr, sample output if I run it without switches
> is:
> > >
> > > $ xrandr
> > > Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
> > > DVI-I-0 disconnected (normal left inverted right x axis y axis)
> > > DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x
> axis
> > > y axis) 476mm x 268mm
> > >
> > > I would also go back to basics and double check I had the TV on the
> right
> > > input channel and the laptop didn't have any switches to enable /
> disable
> > > external displays/
> > >
> > > Rgds
> > >
> > > Peter.
> > --
> > Please post to: Hampshire@???
> > Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire
> > LUG URL: http://www.hantslug.org.uk
> > --------------------------------------------------------------
>
> --
> Please post to: Hampshire@???
> Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire
> LUG URL: http://www.hantslug.org.uk
> --------------------------------------------------------------
>
--
Please post to: Hampshire@???
Web Interface:
https://mailman.lug.org.uk/mailman/listinfo/hampshire
LUG URL:
http://www.hantslug.org.uk
--------------------------------------------------------------
