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

[Bear Giles]

(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.)

On Thu, Nov 7, 2019 at 10:13 AM Bear Giles <bgiles at coyotesong.com> wrote:

> It's all 4k-ready HDMI. This hardware was driving the monitor at 4k with
> an old ubuntu version that had been release-update'd a few times. It only
> broke when I did a fresh install of 19.10.
>
> On Thu, Nov 7, 2019 at 10:06 AM D. Stimits <stimits at comcast.net> wrote:
>
>>
>> On November 7, 2019 at 9:49 AM Bear Giles <bgiles at coyotesong.com> wrote:
>>
>> ...
>> What's the current incantation to tell the display to auto-detect the
>> hardware and download any required drivers?
>> ...
>>
>> What kind of connector? If it is HDMI, then the query is through the
>> "DDC" wire (an i2c protocol powered by the video card). Some other types
>> also provide DDC, e.g., DisplayPort. An old style 15-pin D-Sub VGA has no
>> such wire and thus there is no ability to query a monitor like that. Thus
>> the older monitors have a mandatory "driver disk" (which is really just a
>> database of parameters which EDID would provide if it existed).
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>
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