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 <[email protected]
<mailto:[email protected]>> 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
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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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