Only one monitor after recent updates

[Karl Auer]

On Mon, 2024-11-25 at 13:53 +0000, Tony Arnold wrote:
> I'm running Ubuntu 24.04.1 with Radeon RX580 graphics card and after
> some updates about a week ago the system only detects one monitor
> even though I have two plugged in, both using HDMI.

Just to be sure...

a) do both monitors work individually?
b) if yes, what happens when you swap their HDMI cables?
c) do both your HDMI ports work, just one at a time?

Regards, K.

-- 
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Karl Auer (kauer at biplane.com.au, he/him)
http://www.biplane.com.au/kauer