Leander, that seems to be just the ticket!

Looks like that's solved the issue at first sniff, but I'll have more time to poke around tomorrow and make sure it's all happy.

Thanks again, and I'll post back when I've had more time to run it through its paces.

Thomas



On Tue, Aug 21, 2018 at 6:23 PM Leander Hutton <leander@one-button.org> wrote:
On 08/21/2018 12:39 AM, Thomas Letherby wrote:
> Doesn't seem to have a monitor section, but this may be because it's a
> laptop so the nVidia and Intel gfx are interconnected, I also don't have
> a 98-monitor.conf file.
>
> Might have something to do with it...
>
> Restarting SDDM on another terminal just gets me the usual black screen.
>
> Installed the latest patches too just in case, no dice there either.

I ran into the same blank screen bug a while back on KDE spin of Fedora
with a Precision 7720 (Quadro P3000/Intel Graphics). I finally figured
out that adding the following options to /etc/sddm/Xsetup file and
leaving graphics switching on in the BIOS allowed SDDM to start normally
with the nVidia drivers:

xrandr --setprovideroutputsource modesetting NVIDIA-0
xrandr --auto

I haven't seen that suggested yet in the thread, if it has and I've
overlooked it my apologizes.

Leander

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