On Sunday, 30 June 2024 23:56:40 BST Dale wrote:
> Michael wrote:
> > This is good! :D
> > Edit the section below by adding the PreferredMode line:
> > 
> > Section "Monitor"
> > 
> >     Identifier     "Monitor0"
> >     VendorName     "Unknown"
> >     ModelName      "LG Electronics W2253"
> >     HorizSync       30.0 - 83.0
> >     VertRefresh     56.0 - 61.0
> >     Option         "PreferredMode"   "1920x1080_60.00"
> >     Option         "DPMS"
> > 
> > EndSection
> > 
> > Save it, then check if you get a consistent result when you restart the
> > DM, or reboot.
> > 
> > If it is still playing up you need to show the Xorg.0.log while the
> > monitor is working with the nvidia driver, to see which Modeline it uses
> > and add this in the "Monitor" section too, above the "PreferredMode"
> > entry.
> > 
> > If none of this works reliably, then you have to capture the EDID table
> > while the monitor is working, save it in a file and set nvidia-settings
> > to use it hereafter.  However, if you will NOT be using this monitor for
> > much longer this would be an exercise only to make you feel good for
> > beating it into submission!  LOL!
> 
> OK.  First time, it worked.  Second time, it came up but in low res. 
> Plasma was working to, both times.  So, I opened the Nvidia GUI and told
> it to safe a new config with it in hi res mostly just to see what it
> would add if anything.  It did.  The only change I could see was it
> added metamodes options like this:
> 
> Section "Screen"
> 
> # Removed Option "metamodes" "nvidia-auto-select +0+0"
>     Identifier     "Screen0"
>     Device         "Device0"
>     Monitor        "Monitor0"
>     DefaultDepth    24
>     Option         "Stereo" "0"
>     Option         "nvidiaXineramaInfoOrder" "DP-3"
>     Option         "metamodes" "1920x1080 +0+0"
> #    Option         "metamodes" "1920x1080 +0+0; 1024x768_60 +0+0"
>     Option         "SLI" "Off"
>     Option         "MultiGPU" "Off"
>     Option         "BaseMosaic" "off"
>     SubSection     "Display"
>         Depth       24
>     EndSubSection
> EndSection
> 
> 
> As you can see, I removed the low res part, don't want that anyway, and
> it seems to work more often but still fails a lot.  So, I removed the
> metamodes Nvidia added.  Then it didn't come up at all, sddm or
> anything, when I restarted DM.  I thought it adding your setting to
> another section might help.  Guess not.  With the following removed, it
> seems to do a little better but still can't depend on it to work.
> 
> Section "Screen"
> #    Option         "nvidiaXineramaInfoOrder" "DP-3"
> #    Option         "metamodes" "1920x1080 +0+0"
> #    Option         "metamodes" "1920x1080 +0+0; 1024x768_60 +0+0"

You can add back:

Option         "metamodes" "1920x1080_60 +0+0"


> Basically, it is doing like it always has.  Most of the time, it doesn't
> work.  Sometimes it does.  To be honest tho, I still wonder if it even
> reads the file.  When I change something, I'd expect something
> different.  Generally, it doesn't seem to affect anything unless I
> reboot completely.  Sometimes I'm not sure it does then either.  So, I
> think this old monitor just has a issue.  Maybe I need to rebuild some
> more of the power supply or something in case it is providing bad power
> to the parts that talks to the puter.  Either way, if the new one works,
> I just don't think this old monitor is going to work correctly no matter
> what we throw at it. 

The last thing left to try is to capture the EDID table with nvidia-settings, 
configure it to stop trying to load it from the monitor and instead feed the 
captured file to it.  If that doesn't work either, then there is no solution I 
can think of ... 


> I will saw this, we threw the kitchen sink at it.  I think this is one
> of the longest threads I've seen in a long while.  o_O 
> 
> Dale
> 
> :-) 
> 
> P. S.  Monitor updated.  Now it says tomorrow.  It's in the right place
> to do so.  It's at the Memphis hub.  Usually, it comes from there to the
> local distribution point and on the truck.  They sometimes deliver by
> noon.  Could be a little late given it is Monday. 

Hopefully this won't be the start of a new loooooong thread on yet another 
monitor!  LOL!

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