Only one monitor after recent updates

[Tony Arnold]

Hi Karl,

On Tue, 2024-11-26 at 01:08 +1100, Karl Auer wrote:
> 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?

Yes.

> b) if yes, what happens when you swap their HDMI cables?

The display swaps over to the other monitor. Still only one working
though.

> c) do both your HDMI ports work, just one at a time?

I think only one port is working.

I'm wondering if this could be a hardware failure as I only get one
monitor displaying when I go into the BIOD setup. I'm sure previosuly
the BIOS setup was displayed on both monitors.

Regards,
Tony.

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