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 Post subject: MacBook Pro 15'' won't boot, no chime sound, constant sleep
PostPosted: Wed Nov 11, 2009 2:40 pm 
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Joined: Wed Nov 11, 2009 2:20 pm
Posts: 2
hi,
I have my MacBook Pro stoped working reacently. My MBP is bought in mid 2007, 2,4Ghz with serial number W87250CHX92. The symptoms is no "chime sound", constant sleep light, no video on screen or second display, keybord do not respond (caps or num lock do not light up when pressed). Hard drive an CD rom are operating, RAM (apple original) memory is tested and good. Tryied to reset PRAM and no luck. Also tryied to take battery out and press power button for 10 seconds.
Which part could possibly be faulty? Any thoughts?

Reagards.


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sleep
PostPosted: Thu Nov 12, 2009 11:30 am 
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Joined: Thu Feb 27, 2003 6:35 am
Posts: 977
Generally that is going to be either the RAM or the main logic board. It could be one of the RAM slots is bad, so you may want to try one stick of RAM in just one slot at a time and see if you have any luck.


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sleep
PostPosted: Mon Feb 01, 2010 6:57 am 
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Joined: Wed Nov 11, 2009 2:20 pm
Posts: 2
I haven't solved the problem jet. Anyone knows good company to repair logic board in UK or someone who’s does repair worldwide for reasonable price? By the way, I have seen many people selling same model of macbook pro listed with logic board fault... Maybe its unrepairable (just thoughts)??

Regards,


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sleep
PostPosted: Mon Feb 01, 2010 10:35 am 
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We repair boards, but given its international, you'll be responsible for shipping both ways.

http://www.powerbookmedic.com/xcart1/pages.php?pageid=67


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sl
PostPosted: Thu Oct 07, 2010 11:18 am 
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Joined: Thu Oct 07, 2010 11:17 am
Posts: 1
Justin, is there a tutorial somewhere on how we can fix the boards ourselves??


Last edited by WiltonGar on Sat Oct 30, 2010 6:17 pm, edited 2 times in total.

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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sl
PostPosted: Thu Oct 07, 2010 2:22 pm 
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No, component level repair on logic boards requires special equipment and a clean room that'll cost 10's of thousands of dollars.


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sl
PostPosted: Mon Oct 18, 2010 8:42 pm 
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Joined: Sun Oct 10, 2010 11:26 am
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I have the same problem on my 2.2 A1150. It will boot apple logo chime, while all this is going on the screen there are diginal blocks along the screen then it will shut down

Could this be drive problems or Graphics card or worst case logicboard dieing


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sl
PostPosted: Wed Oct 20, 2010 8:44 am 
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The graphics are built onto the logic board. This sounds like a graphics problem, so you'll probably end up having to get the logic board repaired or replaced.


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sl
PostPosted: Wed Oct 20, 2010 7:20 pm 
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Worset cases can the graphics card be replaced with logicboard repairs or you have to replace the logicboard overall?


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 Post subject: Re: MacBook Pro 15'' won't boot, no chime sound, constant sl
PostPosted: Wed Nov 03, 2010 11:30 am 
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We do logic board repair for $399.95 (or $494.95 if you want to send in your machine and have us uninstall it, repair it, and reinstall it for you). We usually can fix graphics problems.


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