Don't forget to comment out the lines below in the /etc/init.d/hotkey-setup
do_video () {
VIDEO=`xorg_driver`
case $VIDEO in
intel|ati|radeon)
for x in /proc/acpi/video/*/DOS; do
if [ -e "$x" ]; then
echo -n 7 >$x;
fi
I think this issue is cause by some bug in the BIOS of HP laptop.
The OS control the hardware by running some AML(ACPI machine language) code in
the BIOS, but some bug prevent the lid switch from working properly.
To solve this issue we have 3 choice:
1. Block the video.ko by adding a line in th
