<html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body bgcolor="#FFFFFF" text="#000000"> 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 <a class="moz-txt-link-freetext" href="https://forum.xfce.org/viewtopic.php?id=9391">https://forum.xfce.org/viewtopic.php?id=9391</a> This bug on launchpad <a class="moz-txt-link-freetext" href="https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1308105">https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1308105</a> I have a script in home <blockquote>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 </blockquote> 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 </body> </html>