> On Thu, Mar 24, 2022 at 02:38:16PM +0100, 'Johannes Graumann' via qubes-users 
> wrote:
> > > On 24.03.2022 13:39 'Johannes Graumann' via qubes-users 
> > > <qubes-users@googlegroups.com> wrote:
> > > 
> > > 
> > > 
> > > 
> > > > On 24.03.2022 12:16 'Johannes Graumann' via qubes-users 
> > > > <qubes-users@googlegroups.com> wrote:
> > > > ...
> > > > As the laptop's HDMI port also does not work (likely due to being 
> > > > hardwired to the NVDIA card), I currently have no means of setting up 
> > > > multiple screens.
> > > > 
> > > > I want to use Qubes and this machine as my daily driver and non 
> > > > functioning dock as well as the lack of a multiple screen options are 
> > > > show stoppers for this.
> > > > The latter is possibly fixable through NVIDIA support in `dom0` and 
> > > > that's what I'm working on next, but I would highly appreciate any hint 
> > > > on how to get the dock working.
> > > > 
> > > Installing `kernel-latest` in `dom0` (which currently brings in 5.16) and 
> > > setting graphics to `discrete` in the BIOS renders the on board HDMI port 
> > > active. `Hybrid` graphics settings results in a black screen when the 
> > > display manager comes up.
> > > 
> > > Still having issues with the screens only being shown mirrored, but I'm 
> > > getting somewhere.
> > > 
> > To get the multiscreen setup to behave properly, I had to switch of the 
> > compositor:
> > 
> > ` Q → System Tools → Window Manager Tweaks → Compositor → uncheck “Enable 
> > display compositing” `
> 
> Does unchecking the “Mirror displays” option (in Q → System Tools →
> Display) also work?  If not, that’s a bug; please report it.  If so,
> that’s a user experience problem and should also be reported.

No it doesn't. See https://github.com/QubesOS/qubes-issues/issues/7373. Does 
this serve?

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