F20: HDMI + Win+P == GDM black screen

poma pomidorabelisima at gmail.com
Tue Apr 8 10:29:42 UTC 2014

On 08.04.2014 12:08, Pedro Francisco wrote:
> So, I've used HDMI for the first time this weekend.
> I have pressed Win+P a few times which resulted in a black screen
> (turned off, I guess).
> Suspending and resuming would turn on the internal monitor again (I
> had the session running so it was easy).
> But now, after a warm reboot, my GDM is a black screen. Inputting the
> password appears to login on the session.
> Since this is a GDM issue, I need to find out where GDM stores it's
> monitor settings -- gconftool-2 recursive-unset on the user-side
> didn't work.
> So, questions:
> a) where does GDM store its monitor settings?
> b) what is going on here:
> b1) is there a bug report?
> b2) any tips on what words to use on the bug report and on what
> component to assign?
> Hardware:
> 8086:0416 (Intel HD Graphics 4600 -- HDMI should be connected to this
> one, since NVIDIA is always off on Linux)
> 10DE:0FE4 (NVIDIA GeForce GT 750M -- always disabled on boot via
> manual call on rc.local to bbswitch )
> Software:
> up-to-date Fedora 20.

Install the Rawhide, and ask again, eventually. :)

> Thanks in Advance,

No problemos.


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