[lug] Dell Optiplex 9020 + ubuntu + 4k monitor

[D. Stimits]

> On November 7, 2019 at 6:12 PM "D. Stimits" <stimits at comcast.net> wrote:
> 
> 
> 
>         > > On November 7, 2019 at 10:14 AM Bear Giles <bgiles at coyotesong.com> wrote:
> > 
> >         (oops - there is a DisplayPort to HDMI dongle on the tail end of the KVM cable. But I use the same model in several other places AND have used this specific dongle as well.)
> > 
> >     >     ...
>     The KVM may not pass through the EDID. Have you tried direct cable?
> 
...
Sorry, replying to my own reply. I thought of something else to add: KVMs may actually intercept the EDID and send their own based on the capabilities of the KVM, or else filtering out resolutions and other settings which are beyond the KVM.
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