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#1 2009-07-03 21:20:55

kavery10
Member
Registered: 2009-06-30
Posts: 6

when i shut my laptop lid, the screen goes blank

i'm using XFCE as a DE; when i close the laptop lid and open it back up the screen remains unpowered. At this point the only thing i can do is hold the power button until it turns off. Under the power manager i have it set to do nothing when the lid is closed...

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#2 2009-07-04 14:01:09

Trent
Member
From: Baltimore, MD (US)
Registered: 2009-04-16
Posts: 990

Re: when i shut my laptop lid, the screen goes blank

There is a hardware switch in most (?) laptops that turns off the screen when the lid is closed.  I'm not sure why it's not coming back on when you open it again.  Perhaps you should fiddle with the settings in the power manager (see if setting it to e.g. suspend when the lid is closed lets it come back normally).

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#3 2009-07-04 14:14:37

rebugger
Member
From: Germany
Registered: 2007-10-28
Posts: 229

Re: when i shut my laptop lid, the screen goes blank

open a terminal, and type without running it:

xset dpms force on

Close the lid, open the lid and if the screen is still blank hit ENTER - is it now on?

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#4 2009-07-04 14:25:31

kavery10
Member
Registered: 2009-06-30
Posts: 6

Re: when i shut my laptop lid, the screen goes blank

trying to suspend when the laptop closed didn't change anything. but using 'xset dpms force on' worked perfectly. is there any way to do this automatically?

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#5 2009-07-04 15:07:46

rebugger
Member
From: Germany
Registered: 2007-10-28
Posts: 229

Re: when i shut my laptop lid, the screen goes blank

mh, sounds like an acpi-Problem. There is no event triggered, when the display is opened.

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#6 2009-07-04 15:11:01

toad
Member
From: if only I knew
Registered: 2008-12-22
Posts: 1,775
Website

Re: when i shut my laptop lid, the screen goes blank

Have you tried switching ttys?


never trust a toad...
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#7 2009-07-04 15:29:28

kavery10
Member
Registered: 2009-06-30
Posts: 6

Re: when i shut my laptop lid, the screen goes blank

so is there anyway i can fix this acpi problem? and i'm not sure what ttys is, sorry.

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#8 2009-07-04 18:08:48

toad
Member
From: if only I knew
Registered: 2008-12-22
Posts: 1,775
Website

Re: when i shut my laptop lid, the screen goes blank

tty1 (CTRL+ALT+F1) to tty6 (CTRL+ALT+F6) are shell terminals and tty7 (CTRL+ALT+F7) upwards are for X smile


never trust a toad...
::Grateful ArchDonor::
::Grateful Wikipedia Donor::

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#9 2009-07-04 18:28:23

kavery10
Member
Registered: 2009-06-30
Posts: 6

Re: when i shut my laptop lid, the screen goes blank

yeah i can switch ttys after i close the screen and open it back up; is there anyway that i can get it to come back up automatically though?

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