How to reset the screen through command?

Petr Vanek vanous at
Thu Feb 10 17:54:25 CET 2011

>I have tried 'x' instead, nothing happen & keep WSOD.
>I also use
>instead, no use. -- 

There was an email in the kernel list with a subject WSOD fix. in

it contained link to this patch;a=commitdiff;h=43f0161295bc311d09d705db7b381653fbbb9e46

and the two scripts as per below.

i also suffer the recent WS issue and i haven't had too much to play
with this though, but perhaps it can help?

echo 0 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/lcd/jbt6k74-lcd/lcd_power
echo 63 > /sys/class/backlight/pcf50633-backlight/brightness

echo 0 > /sys/class/backlight/pcf50633-backlight/brightness
echo 4 > /sys/class/lcd/jbt6k74-lcd/lcd_power
echo 4 > /sys/class/graphics/fb0/blank


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