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Model A1502 / 2.4, 2.6, or 2.8 GHz dual-core Intel processor / Released October 2013

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Green/Orange MagSafe, No Boot

Dear Mac Gods, @mayer and @danj

I have a client with this MacBook Pro, has had intermittent problems booting. SMC reset usually fixes the issue and forces the machine to boot up. Now, no boot up whatsoever and I never had the chance to see the machine while booted.

Here’s what I have tried:

  • SMC Reset. The MagSafe light turns from Orange, to Green, then back to Orange again after a moment.
  • PRAM/NVRAM Reset, nothing.
  • All other known key combos. None of these have even gotten the fan to spin.
  • I opened the case, unplugged the battery, held the power button for 30 seconds. Also tried SMC reset with no battery or charger.
  • Plugged charger in without battery. LED is green, then orange after a moment. No boot.
  • Tried SMC reset and PRAM reset without battery but with charger, nothing.

Doesn’t seem to have any signs of water damage, no blown capacitors or obviously damaged mobo components.

Is there a magic trick I am missing?

Answered! View the answer I have this problem too

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At this point I think you’ve proved the logic board is dead.

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2 Comments:

The weird part is that the SMC is responsive during resets but still nothing. I'm not sure if there is a way I can test the MagSafe tip with a multimeter but I know it has that digital sense pin which might give me wack numbers since it's not plugged in. If I had a spare charger I wouldn't have to even deal with this though.

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Ah... You've got your self confused! SMC is independent of the CPU logic.

The fact you see the MagSafe LED alter its state is telling us the SMC is working. The fact the CPU won't respond is telling us the CPU logic has an issue.

The 13" model uses the intergraded graphics logic within the CPU unlike the 15" which has both the intergraded graphics and the discreet GPU as well.

If the system was still responsive I would have run the onboard diagnostics as well as check the battery & charging logic using CoconutBattery.

At this point you'll need to either repair the logic board (if you can) or replace it.

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