PERSONAL UPDATE
While my first logic board replacement for my Late 2011 17" MBP is functioning without any GPU issues for the past 9 days, it didn't take more than five minutes before I noticed that the fans now run way to fast/often.
Of course, I quickly and persistently have been informing Apple of this "out of spec" behavior with their repair.
I fully expect this logic board replacement to be a temporary "fix" and I'll need to be knocking on Apple's door again soon. My logic: If I "cooked" the original logic board to failure, I'm doomed to repeat the process again...
Meanwhile, I continue to document all details and make sure that the Apple staff I have been working with adds all my observations to the case notes. This serves three purposes:
1) Let's Apple know that I am following every recommended step so that I qualify for whatever assistance they are going to eventually need to provide.
2) Let's Apple know I am not going silent on this issue. This proves that time, work and effort are being expended... both mine and their staff hours are being documented.
3) Most importantly, now that my case has been escalated, my observations are going to some top level people at Apple. This is far better for the collective of affected users than taking it into an Apple Store where the lowest-level Geniuses work and don't necessarily talk issues upwards. Note: I'm not bashing these employees, just stating that this type of issue tracking is not in their pay grade.
WHAT I'VE LEARNED
1) Apple is most certainly listening. So long as each of us is respectful and sending useful data to Apple, we will get where we need to get. I am working with both the Executive Team and a Senior Specialist. They are indeed documenting and communicating.
2) One Apple person explained to me that Apple logic boards are manufactured by one of several 3rd parties. They eluded to the fact that only when a certain percentage is reached (a tipping point) can Apple move forward with a resolution. Although this may be frustrating to us, this makes perfect sense in the manufacturing world.
While I don't know exactly, I suspect that this 3rd party vendor's contract states something like: Apple will pay you X dollars for making Y number of logic boards. If your failure rate reaches Z, we have the right to recover a percentage of X.
So, working in concert with Apple, our campaign should be to document our cases as high up as possible so that the tipping point is reached. The Apple Store Genius or an Apple-certified repair shop is typically too low a level to be working with.
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Yes, I believe there are more levels to this issue than what I outlined above, but this seems to be the ONLY tipping point that matters to Apple at this time.
Sure, I believe that Apple is tarnishing their reputation every day for not getting ahead of this with their users first and then waiting for the 3rd party tipping point later. I hate spending my time on this and losing my machine to the repair process after spending premium dollars.
Yes, we pay Apple premiums for all their products and as a life-long 30+ year supporter of Apple, I think their hardware quality/design started sinking in 2007 or so. I've been the unfortunate user of two other recalled MacBook Pro units. Maybe Steve Jobs was wrong with demanding completely sealed laptops. Heat dissipation requires "cold air in." Where do you get that if the unit is sealed?
I'd certainly welcome a few holes in my MacBook Pro casing if the core temperature dropped and the design wasn't pressing to the edge of thermal possibilities.
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Apple is still one of the best companies around when it comes to taking care of their customers. It just seems to be taking longer than ever before for them to "get with the program".
...my 2 cents.