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Old 07-21-2008, 05:57 AM   #1
elninio
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laptop screen doesn't turn back on after i close the lid


I close my laptop lid, and when i re-open it, theres nothing I can do to get the screen to turn back on. How do I get it to turn back on when I open the lid (automatically). The computer is still on when the lid is closed it just goes in a dormant state. I did a fresh install of the latest slackware distro.
 
Old 07-21-2008, 07:31 AM   #2
pinniped
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Did you press a key on the keyboard?

Is the switch stuck? (it sticks regularly on my Toshiba Satellite Pro)

What happens if you press [ctl][alt][F1] then [alt][F7] ?

If none of that works, try [ctl][alt][F1], log in (maybe blindly), and restart 'X'. If that still doesn't work, then the drivers have become confused when they switched power modes. (and I wouldn't know where to go from there)
 
Old 07-21-2008, 08:59 PM   #3
onebuck
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Hi,

ACPI or APM?
 
Old 07-21-2008, 11:07 PM   #4
elninio
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Quote:
Originally Posted by onebuck View Post
Hi,

ACPI or APM?

KDE uses ACPI
 
Old 07-22-2008, 08:34 PM   #5
orbit
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Hi elninio,

I have had that happen on a few different laptops I have setup with Slackware12.1 recently, the fix varied depending on the hardware.

Fix 1
=====
Try appending
Quote:
acpi_sleep=s3_bios,s3_mode
to your lilo.conf or (grub) menu.lst file.
(This worked on an Acer Centrino Laptop)

Fix 2
=====
for a Dell laptop I setup recently, I had to install vbetool
and then add the following to /etc/acpi/acpi_handler.sh
Quote:
#!/bin/sh
# Default acpi script that takes an entry for all actions

IFS=${IFS}/
*** acpi_handler-orig.sh 2006-09-20 16:06:35.000000000 -0400
--- acpi_handler.sh 2006-09-20 16:16:58.000000000 -0400
***************
*** 5,10 ****
--- 5,13 ----
set $@

case "$1" in
video)
/usr/local/bin/vbetool dpms on
;;
button)
case "$2" in
power) /sbin/init 0
;;
*) logger "ACPI action $2 is not defined"
;;
esac
;;
*)
logger "ACPI group $1 / action $2 is not defined"
;;
esac

Fix 3
=====
This worked on another Dell Laptop after installing vbetool.

As Root, edit /etc/X11/xorg.conf, then add to Section "Device"

Quote:
Option "VBERestore" "true"

You could also try installing suspend
I remember I had some success with one of the systems using that (can't remember which system it was though).

Give one (or all) of these methods a try to see which method works on your hardware.

Hope this helps

Cheers

Orbit
 
Old 07-23-2008, 09:16 AM   #6
onebuck
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Hi,
Quote:
Originally Posted by elninio View Post
KDE uses ACPI
You posted that you were using kde when?
 
  


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