Here is the update on this saga:
1. Tried NoSquint. Pretty happy with the results so Firefox is now visible. However I am still squinting outside of Firefox. And to be honest, I want to figure out how to get the old resolution settings back (after all, I wouldn't have installed Ubuntu if I didn't want to tinker).
2. Removed "intel" driver intel_drv.so by removing the package via Synaptics. This did not change the resolution options available in Display. Reinstalled (via Synaptics) what I believe to be the old module which did not work either. Here is a snippet from the Xorg.log (which I really don't understand). Not sure which drivers control the options available in Display.
Code:
[ 3.825] (II) LoadModule: "intel"
[ 3.825] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 3.827] (II) Module intel: vendor="X.Org Foundation"
[ 3.827] compiled for 1.13.0, module version = 2.20.9
[ 3.827] Module class: X.Org Video Driver
[ 3.827] ABI class: X.Org Video Driver, version 13.0
[ 3.827] (II) LoadModule: "vesa"
[ 3.827] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 3.827] (II) Module vesa: vendor="X.Org Foundation"
[ 3.827] compiled for 1.13.0, module version = 2.3.2
[ 3.827] Module class: X.Org Video Driver
[ 3.827] ABI class: X.Org Video Driver, version 13.0
[ 3.827] (II) LoadModule: "modesetting"
[ 3.828] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 3.828] (II) Module modesetting: vendor="X.Org Foundation"
[ 3.828] compiled for 1.13.0, module version = 0.5.0
[ 3.828] Module class: X.Org Video Driver
[ 3.828] ABI class: X.Org Video Driver, version 13.0
[ 3.828] (II) LoadModule: "fbdev"
[ 3.828] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 3.828] (II) Module fbdev: vendor="X.Org Foundation"
[ 3.828] compiled for 1.13.0, module version = 0.4.3
[ 3.828] Module class: X.Org Video Driver
[ 3.828] ABI class: X.Org Video Driver, version 13.0
3. Booted the original iso from USB (which has a lot more resolution choices in Display). Selected the resolution I wanted and used xrandr --verbose to get the right modlines
Code:
1360x768 (0x53) 85.5MHz +HSync +VSync *current
h: width 1360 start 1424 end 1536 total 1792 skew 0 clock 47.7KHz
v: height 768 start 771 end 777 total 795 clock 60.0Hz
4. My next step is to add the modlines above but I want to do it permenantly. I found this procedure (haven't tried it yet).
4a. For the current version of X xorg.conf does not exist by default. And it is a bit tricky to create it since X can't be running. Fortunately I came across rainboxagent7's comment on this thread
So I am still working through step 4 with the hope at the end that I will have the resolution in Display I want (and it will survive reboots)
Any advice is welcome. Especially explaining where my resolution options went in the first place and what I am doing wrong in trying to roll back updates to restore them.
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