[xubuntu-users] 20.04 install issue: Monitor resolution bad - Solved.

[Elbert LaGrew]

Cool!  Thanks for letting us all know how you fixed it!

Glad you got it working properly.

Good job!

--El

On Thu, Sep 17, 2020 at 5:32 PM Ram Ramesh <rramesh2400 at gmail.com> wrote:

> On 9/17/20 12:22 PM, Elbert LaGrew wrote:
> > I made this simple file and execute it.  The options show un in arandr
> >
> > #/bin/bash!
> > xrandr  --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080
> > 1083 1088 1120 -hsync +vsync
> > xrandr  --newmode "1920x1200_60.00"  173.00  1920 2048 2248 2576  1200
> > 1080 1083 1088 1120 -hsync +vsync
> > sleep 1
> > xrandr --addmode VGA-0 1920x1080_60.00
> > xrandr --addmode  VGA-0 1920x1200_60.00
> >
> >
> > On Thu, Sep 17, 2020 at 11:29 AM Ram Ramesh <rramesh2400 at gmail.com
> > <mailto:rramesh2400 at gmail.com>> wrote:
> >
> >     Hi,
> >
> >        I have been with mythbuntu 14.04 as I have not been able to
> >     upgrade
> >     to xubuntu 16.04/18.04 and now to 20.04. Every time, I try to do a
> >     fresh
> >     install, I hit some snag and I have to give up. Hopefully, this
> >     time I
> >     am able to resolve it before hitting the point of no return.
> >
> >        Here is what I did in my install. I get the usb done and boot.
> >     First
> >     the usb stick boots to 4K with tiny little characters as my TV  is 4K
> >     (doubles as monitor). I cannot imagine why install would default
> >     to 4K.
> >     That should be a later option. I could not get out of 4K and I
> >     could not
> >     see anything to install from a 4K TV.  Now I get a new monitor and
> >     everything seems ok, my monitor resolution is perfect 1920x1200,
> >     and I
> >     proceed to install with special drivers enabled because I want
> >     proprietary nvidia drivers. It installs and boots from hard drive and
> >     things seem to look ok. However, first software update kills my
> >     monitor
> >     resolution to 640x480 with no option to change in the display
> >     setup. It
> >     does not have any other modes and xrandr confirms it also. So,
> >     somewhere
> >     something went wrong and Xorg is nolonger is able to find the
> >     right kind
> >     of match between my card and monitor.
> >
> >        I have no idea as to how to proceed.  I want to know how this
> >     happened so that I do not get hit with the same issue next time I
> >     upgrade to 22.04. After all, this is free SW and I want to do my part
> >     rather than just complain.
> >
> >        In the past, the issues have been getting mythtv working. This
> >     time
> >     it is getting install going well.
> >
> >     Regards
> >     Ramesh
> >
> >     --
> >     xubuntu-users mailing list
> >     xubuntu-users at lists.ubuntu.com <mailto:
> xubuntu-users at lists.ubuntu.com>
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> >
> >
> >
> > --
> > El LaGrew
> > http://godchose.blogspot.com/
> >
> >
> This did not help. I suspected that much as I had palyed a bit with
> xrandr and the output I got prior to this test was major suspect.
>
> In any case, I did resolve the issue. Something was haywire with Xorg
> and it was not picking up the right driver. I could not figure this out
> from the Xorg.log in syslog. So, I decided to force the process
> manually. I uninstalled all video drivers (xserver-xorg-video-all and
> its friends) installed just one driver nvidia-440. Sure enough now it
> works as expected. However, my monitor can do 75hz refresh and for some
> reason that was not being detected. I added a new visa mode for
> 1920_1200_75 and voila everything is working fine. I would not have
> gotten the last step without your suggestion.  Thanks for suggesting to
> add a new mode.
>
> I see that 20.04.1 is out. So, no point in complaining about 20.04. So,
> I do not plan on filing any bug report.
>
> Regards
> Ramesh
>
>
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-- 
El LaGrew
http://godchose.blogspot.com/
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