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MBP: screen won't turn on
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Senior User
Join Date: Mar 2000
Location: London
Status:
Offline
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Hi All,
I just transported my MBP in a laptop bag (like I've done hundreds of times before), and when I tried to turn it back on from sleep, the screen stayed dark. I thought it had just hung, so I forced a restart. Still nothing.
I restarted in FW transfer mode, that works, but the screen is still unlit (a PRAM zap didn't help).
Any suggestions?
Chas
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Posting Junkie
Join Date: Jan 2006
Location: Seattle, Washington
Status:
Offline
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Can you see anything on the screen in bright light? Or is nothing appearing at all?
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Moderator  Join Date: Dec 2000
Location: Polwaristan
Status:
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Since you've tried a pram reset, it's time to try an SMC reset.
Apple's instructions for resetting the SMC for a MacBook Pro:
MacBook, MacBook Pro
If the computer is on, turn it off.
Disconnect the AC Adapter and remove the computer's battery.
Press and hold down the power button for 5 seconds and then release the button.
Reconnect the battery and AC Adapter.
Press the Power button to restart the computer.
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Mac Elite
Join Date: Dec 2006
Location: Maryland
Status:
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try turning the brightness up using the buttons above the numbers (function keys). maybe u turned the backlight off without realizing it by dimming the screen to 0 brightness.
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Senior User
Join Date: Mar 2000
Location: London
Status:
Offline
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Thanks for the help everyone.
imitchellg5: excellent suggestion, thanks for the query. Nope, no indication that the LCD is getting a signal (I shone a flashlight through the Apple).
Cold Warrior: thanks also for the instructions. No effect after SMC reset. Oh well, I was excited there for a moment!
Snow-i: thanks anyway, that was the first thing I tried :-)
I'm thinking a visit to Apple is necessary (bummer, it's out of warranty).
Cheers!
Chas
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Moderator  Join Date: Apr 2005
Location: Cambridge, UK
Status:
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Originally Posted by chasg 
Thanks for the help everyone.
imitchellg5: excellent suggestion, thanks for the query. Nope, no indication that the LCD is getting a signal (I shone a flashlight through the Apple).
Cold Warrior: thanks also for the instructions. No effect after SMC reset. Oh well, I was excited there for a moment!
Snow-i: thanks anyway, that was the first thing I tried :-)
I'm thinking a visit to Apple is necessary (bummer, it's out of warranty).
Cheers!
Chas
We can hope for 2 things, a) a faulty cable because it should be quite cheap, or b) a faulty 8600GM because it won't cost you anything 
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