[xubuntu-users] HDMI No signal when TV turned back on

[flocculant at gmx.co.uk]

So - as the thread title, PC stays on, tv off, then on - get no signal - 
however I can get to tty2 etc.

Found this thread on the xfce forum 
https://forum.xfce.org/viewtopic.php?id=9391

This bug on launchpad 
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1308105

I have a script in home

    OUTPUT="HDMI-1"
    BAD_MODE="1280x720"
    GOOD_MODE="1920x1080"

    for MODE in $BAD_MODE $GOOD_MODE; do
    DISPLAY=:0 xrandr --output $OUTPUT --mode $MODE
    sleep 2
    done

I have this udev rule

KERNEL=="card0", SUBSYSTEM=="drm", ENV{DISPLAY}=":0", 
ENV{XAUTHORITY}="/home/home/.Xauthority", RUN+="/home/home/fixhdmi.sh"

I've checked in /dev and it's definitely card0 there.

I've also rebooted without xfsettingsd - and while the desktop looks 
awful - it does survive tv off and on cycles

TIA


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