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

[D. Stimits]

> 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?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lug.boulder.co.us/pipermail/lug/attachments/20191107/025cd0fd/attachment.html>