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Windows 7: Laptop screen refuses to turn on

22 Oct 2011   #1
shico90

Windows 7 ultimate 32bit
 
 
Laptop screen refuses to turn on

Hello, when I close the lid and open it again the screen doesn't turn on and still closed and I have to shut down from the button. also I edited the power options to do nothing when closing the lid. please help


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22 Oct 2011   #2
marsmimar

Microsoft Community Contributor Award Recipient

 
 

Hello shico90 and welcome to Seven Forums.

How long have you had this problem? If just a short while you might see if you have a Restore Point to return your machine to a date/time prior to when the problem began.

System Restore

You could also double check your advanced power plan settings in addition to the basic settings.

Power Plan Settings - Change
My System SpecsSystem Spec
22 Oct 2011   #3
alphanumeric

Windows 10 Education 64 bit
 
 

The "do nothing" power options for lid closing only stop the laptop from turning off or going to sleep. They don't have anything to do with the display back light turning off when you close the lid. Closing the lid trips a micro switch which turns the back light off. When you open the lid again the same switch should trigger the back light to come back on again. There should also be a hot key to turn it on and off. Usually the Fn and one of the F keys. If that works it will save you from having to reboot. have you been messing around with the display or hinges?
My System SpecsSystem Spec
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22 Oct 2011   #4
shico90

Windows 7 ultimate 32bit
 
 

Quote   Quote: Originally Posted by alphanumeric View Post
The "do nothing" power options for lid closing only stop the laptop from turning off or going to sleep. They don't have anything to do with the display back light turning off when you close the lid. Closing the lid trips a micro switch which turns the back light off. When you open the lid again the same switch should trigger the back light to come back on again. There should also be a hot key to turn it on and off. Usually the Fn and one of the F keys. If that works it will save you from having to reboot. have you been messing around with the display or hinges?
No, I didn't miss with it at all. It was going like you said. but couple of days ago it stopped turning on. I tried all the F keys with the Fn key but nothing works
My System SpecsSystem Spec
22 Oct 2011   #5
alphanumeric

Windows 10 Education 64 bit
 
 

So it doesn't turn on at all now? If thats the case then it could be one of several things. The back light may have failed, a wire going to it through the hing may have broken, or the micro switch is stuck in the lid closed position. That or you have somehow switched the video to the external monitor jack.
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 Laptop screen refuses to turn on




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