On Wed, 31 Aug 2016 19:25:21 +0100
Paul Smith <phh...@gmail.com> wrote:

> Dear All,
> 
> I have just bought a monitor, which is detected by Fedora 24 as a
> 
> Goldstar company Lda 22",
> 
> but the monitor is a LG of 27".
> 
> How can this be fixed?

I am not an expert.  But this sounds like a faulty EDID, or path to
read the EDID. Fedora / linux reads the information about the monitor
directly from the monitor itself. I think this can be overridden by
putting a configuration file in /etc/X11/xorg.conf.d/ with the
information needed.  A search should turn up samples.  Is it possible
that you already have an override file there, for a 22" Goldstar
monitor?  Or that the connection to the LG is flaky, so the EDID can't
be read properly?

I vaguely recall that it is possible to dump the EDID into a file, and
point to it in the kernel start line somehow.  Could be a faulty
memory, though.
--
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