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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Bad Inverter or Bad Screen

Bad Inverter or Bad Screen
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Jan 5, 2011, 02:33 PM
 
I've got this broken 1st generation MacBook Pro 15". I'm trying to determine if it's got a bad LCD or just a bad inverter board. Believe me I know, that standard procedure is "start replacing parts, cheapest to expensive, until it's fixed". But since this computer is for me, I'm trying to fix it on the cheap.

So here's the behavior. When I turned it on, everything was fine. Then after a few minutes, the screen instantly went out as if it had gone to sleep. Of course it hasn't though. Yes I can still see the image on the screen if I hold it in the light. So it's either the backlight, or the inverter board. To me it definitely seems like it's an inverter board issue. But what do youuuuuuu think?
     
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Jan 5, 2011, 02:50 PM
 
If the backlight can go on and then goes off (and can be made to come back on again), it's either the inverter or the cable. If the backlight were to never go on again at all, then it could be the backlight itself (the display), the inverter, or the cable.

Steve
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l008com  (op)
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Jan 5, 2011, 02:53 PM
 
That was exactly my thinking. And since it went out without me touching it at all, just after a few minutes of warming up . . . I'm thinking inverter board.
     
   
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