What is this screen resolution tool and does it exist in the kubuntu
distribution? Also the default behaviour has clearly changed since the
Feisty distribution. IMHO, the default behaviour in Feisty was correct
and the default behaviour in Hardy is incorrect, and for Ubuntu to meet
its goals of user friendliness it should default to the Feisty behaviour
without user intervention.
FWIW, I think the problem came about due to some change in the handling
of dual monitors in X11 - possibly the Xinerama to xrandr change over.
BTW, for Kubuntu I have inserted these lines into my
/etc/kde3/kdm/Xsetup script, which roughly gives me the behaviour I had
before in Feisty - i.e. laptop screen is switched off when the laptop is
docked, but I haven't fully investigated this problem:
if xrandr -q | grep "VGA connected"; then
if xrandr -q | grep "VGA connected ("; then
if xrandr -q | grep "1680x1050"; then
xrandr --output LVDS --off --output VGA --mode 1680x1050
else
if xrandr -q | grep "1280x1024"; then
xrandr --output LVDS --off --output VGA --mode 1280x1024
else
xrandr --output LVDS --off --output VGA --mode 1024x768
fi
fi
else
xrandr --output LVDS --off
fi
else
xrandr --output VGA --off --output LVDS --mode 1024x768
fi
It's perhaps a bit more complicated than it needs to be.
Interestingly according to the "toshset" utility the laptop screen was
off when I boot in the dock, but although the backlight was switched off
the graphics were still displaying. This is what lead to the problems I
described.
--
laptop screen remains on with external monitor and lid closed
https://bugs.launchpad.net/bugs/145501
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