I can't open my screen

I am a new Arch user , i get many problems with this OS.
first
i cant open my laptop screen after i close it.
but it does not crash,Because my external desktop screen can also be used，
only the laptop screen  does not light up 。
When I stand a long time, it will face this problem too.
what is wrong with it?

jiyuu wrote:
I have a similar problem (screen not turning on) and the only solution I have found is to downgrade to kernel 3.0.7
Just for information. What is your graphic card ?
EDIT:
It seems there is a bug in the kernel 3.1 with your laptop model: https://bugzilla.redhat.com/show_bug.cgi?id=748210
The problem is fixed upstream, so you should downgrade your kernel and wait for the 3.2 version.
hello jiyuu,thanks for your reply
I'm using the nouveau driver with a nVIDIA GT130M card,and my kernel version is 3.1.
i have seen the bug report ,maybe i should wait for the 3.2 version.
I am very troubled by it.

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