[arch-general] No signal on external monitor with 3.5 Kernel

jsteel mail at jsteel.org
Fri Aug 10 04:36:26 EDT 2012


On 10 August 2012 01:55, Sudaraka Wijesinghe
<sudaraka.wijesinghe at gmail.com> wrote:
> Hi Everyone,
>
> I have an external monitor connected to my laptop via HDMI which I use
> side by side to get an extended desktop.
>
> When I boot the system with 3.5 Kernel I don't get any signal on the
> external monitor, laptop display and everything else work fine.
>
> It works fine with 3.4.x Kernels, and I believe it's not a X problem as
> it's not getting any signal even before X starts (It does with 3.4.x).
>
> I was wondering if anyone else has this issue and possibly a solution,
> or is this something I need to submit upstream?
>
> Thanks.
>
> --
>
> Sudaraka Wijesinghe

What's the output of xrandr? Try something like xrandr --output LVDS1
--auto --output VGA1 --auto --right-of LVDS1

jsteel


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