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Old Oct 10th, 2008, 07:37 AM   #1
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MacBook Pro, models with NVIDIA GeForce 8600M GT graphics processors

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MacBook Pro: Distorted video or no video issues
Last Modified: October 09, 2008
Article: TS2377
Symptoms
In July 2008, NVIDIA publicly acknowledged a higher than normal failure rate for some of their graphics processors due to a packaging defect. At that same time, NVIDIA assured Apple that Mac computers with these graphics processors were not affected. However, after an Apple-led investigation, Apple has determined that some MacBook Pro computers with the NVIDIA GeForce 8600M GT graphics processor may be affected. If the NVIDIA graphics processor in your MacBook Pro has failed, or fails within two years of the original date of purchase, a repair will be done free of charge, even if your MacBook Pro is out of warranty.

What to look for:

Distorted or scrambled video on the computer screen
No video on the computer screen (or external display) even though the computer is on
Specific products affected:

MacBook Pro 15-inch and 17-inch models with NVIDIA GeForce 8600M GT graphics processors
MacBook Pro (17-Inch, 2.4GHz)
MacBook Pro (15-Inch, 2.4/2.2GHz)
MacBook Pro (Early 2008)
These computers were manufactured between approximately May 2007 and September 2008
Products Affected
MacBook Pro, models with NVIDIA GeForce 8600M GT graphics processors
Resolution
If your MacBook Pro is exhibiting any of the symptoms listed above, please take it to an Apple Retail Store or an Apple Authorized Service Provider (AASP) for evaluation, or call your local Apple Contact Center. Before visiting the Genius Bar at the Apple Retail Store, please make a reservation.

Apple is issuing refunds to customers who may have paid for repairs related to this issue. Please contact Apple for details on the refund process.

Note: If your MacBook Pro is not experiencing any of these symptoms, you do not need to contact Apple.
MacBook Pro: Distorted video or no video issues

http://forums.macrumors.com/showthread.php?t=515067
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Old Oct 10th, 2008, 07:51 AM   #2
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I have this card in my MBP and have noticed some videos "stutter" is the best way I can describe it. Not smooth, but kind of a jerky play back. It has only happened a few times, but should I take it in?
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Old Oct 10th, 2008, 09:15 AM   #3
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I have had the bottom half of the screen get black streaks running up it. I restarted and reset the SMC and it hasn't occurred since. I am running a 2.4 mbp with that card.

Maybe I will take it in.
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Old Oct 10th, 2008, 09:53 AM   #4
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Do not take your MBP's in for service unless the symptoms are easily reproduced. Your MBP will not qualify if the technician cannot accurately reproduce the problem.

Also, as an FYI: This is not a recall -- if your MBP does not display the above symptoms in that Apple article, then your MBP does not qualify for service, even if your MBP has that specific affected video card. The REP is not for prevention purposes, but for repair purposes only.
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Old Oct 10th, 2008, 03:00 PM   #5
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Is there a stress test that can be performed to see if your particular MBP has a potentially faulty video processing chip?

I bought mine in April/08.. what if this problem arises when it's out of warranty, will Apple get me a free replacement at that point?
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Old Oct 10th, 2008, 03:48 PM   #6
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Quote:
Originally Posted by Silv View Post
Is there a stress test that can be performed to see if your particular MBP has a potentially faulty video processing chip?

I bought mine in April/08.. what if this problem arises when it's out of warranty, will Apple get me a free replacement at that point?
You can run the Apple Hardware Test, which is Disc 1 of the set of discs that came with your MBP. Hold down the "D" key on startup, to boot to the AHT from Disc 1.

The known problem is covered 2 years from the date of purchase, meaning your MBP would be covered, for that particular issue only, until April of 2010, regardless of AppleCare coverage. (Or a lack thereof.) If the issue occurs after April 2010, you're out of luck unless Apple extends the REP past that point or makes an exception for you. (At their discretion.)
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Old Oct 10th, 2008, 04:02 PM   #7
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Thanks Lars.

I just had the MBP in for a right fan replacement (dead fan), they said they had the AHT running for 6 hours and didn't notice any problems. I'll try it out on my own just to familiarize myself with the process anyways.
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Old Oct 10th, 2008, 04:21 PM   #8
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Wouldn't AppleCare cover such a problem for the full purchased 3 (1+2) year warranty?

Quote:
Originally Posted by Lars View Post
You can run the Apple Hardware Test, which is Disc 1 of the set of discs that came with your MBP. Hold down the "D" key on startup, to boot to the AHT from Disc 1.

The known problem is covered 2 years from the date of purchase, meaning your MBP would be covered, for that particular issue only, until April of 2010, regardless of AppleCare coverage. (Or a lack thereof.) If the issue occurs after April 2010, you're out of luck unless Apple extends the REP past that point or makes an exception for you. (At their discretion.)
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Old Oct 10th, 2008, 05:04 PM   #9
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My MacBook Pro intermittently wakes from sleep to a black screen. The lack of video is on both the LCD and external (if one is connected). The computer itself is functioning just no video. The only recourse is to do a hard reset at which time all is well again.
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Old Oct 10th, 2008, 07:32 PM   #10
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I have experience the same thing.
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