My aspire 4720 acer laptop won\'t start up or stay on

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oceanl72000

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Jan 1, 2013
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turn my laptop on, light shows green then little green light blinks ,then turns off by itself, wont go anywhere but black screen as if its not even turned on? help please what could this be
 

06yfz450ridr

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Nov 28, 2012
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Are you sure its shutting off? See if the fan is running since it could be a failed gpu. Or if it is shutting off most likely due to over heating from a clogged heat sink or a loose heat sink. But it could be a bad backlight/inverter if its on and you can see a picture slightly in a bright room
 

06yfz450ridr

Honorable
Nov 28, 2012
88
0
10,610
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Are you sure its shutting off? See if the fan is running since it could be a failed gpu. Or if it is shutting off most likely due to over heating from a clogged heat sink or a loose heat sink. But it could be a bad backlight/inverter if its on and you can see a picture slightly in a bright room
 
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