Re: Lost HDMI monitor connection

[riveravaldez <riveravaldezmail@gmail.com>]

On 7/17/23, Peter Hillier-Brook <phb@hbsys.plus.com> wrote:
> I recently upgraded 2 laptops from Bullseye to Bookworm and no longer
> have access to my external monitor from one of them.
>
> My environment consists of a couple of laptops connected to an external
> monitor via an HDMI Switch that, until the upgrades, gave excellent
> service. The only diagnostic I have is that, from the failing m/c, the
> monitor reports that there is no HDMI signal from that computer.
>
> Any thoughts will be welcomed.

Hi, just in case: what's the output of:

$ xrandr

, with everything turned on and connected?

Kind regards!