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MacBook Pro 15 inch Late 2013 suddenly turns off

MacBook Pro 15 inch Late 2013 suddenly turns off

A friend's MacBook Pro 15 inch Late 2013 randomly shuts down itself. I tried reinstalling the system after I found out that the error does not occur in recovery mode. But this did not solve the problem. The problem is also not reproducable by any interaction.

Asked by: Guest | Views: 113
Total answers/comments: 6
bert [Entry]

"Hi,

I’ve had the same problem with mine. The crew at the Apple Store,, after several tests said that it could be the motherboard. I searched the internet and found the solution in this Random Shutdown on MacBook Pro

I did this in June 2018, and my MacBook Pro works flawlessly since.

FYI - The problem is faulty power chips on logic board! (FDMF6808 to be precise. Should be replaced with newer FDMF6708).

We turned off one driver, that is for Ethernet via thunderbolt. Somehow it helps with our problem. It is possible, you don’t need that functionality, like me."
bert [Entry]

"David Rojas posted a link ^ that absolutely had the solution for me. (I reposted the steps below). When I first started experiencing the problem, it felt like hardware, but logically it didn’t make sense since as others said, it didn’t happen while in recovery mode. But as the days rolled on … it seemed like the CPU was spiking rapidly and it was heating up rapidly and it seemed like it was going into thermal shutdown … I found a program that lets you control your fans by your own rules and with that I was able to keep it from shutting down unless it was under extreme load … so that made it feel like a hardware problem, so I did what most techs would do with an 8-year-old laptop … I replaced the thermal compound… but it didn’t fix it… Then I stumble in here and Mr. Rojas had the answer.

Since links go down over time, I’m reposting the steps here that fixed this problem for me:

Reboot into recovery mode holding down CMD+R after boot chime, then open Terminal.

csrutil disable

Reboot normally - open Terminal

(If you have Catalina): sudo mount -uw / ←don’t forget the forward slash

sudo cd /System/Library/Extensions
sudo mv AppleThunderboltNHI.kext AppleThunderboltNHI.kext.BAK

Reboot again into recovery mode and open Terminal

csrutil enable

Reboot one last time normally and you’re done!"
bert [Entry]

"Hello all,

I struggled with my late 2013 Macbook pro shutting down and read all the forums and followed all the fixes I could find, all to no avail :(

Here’s the fix I was enlightened to which saved me —a $10 cost but immediate solve of my computer crashing problems! Like magic!

https://realmacmods.com/product/macbook-..."
bert [Entry]

"Type ""syslog | grep shutdown"" into terminal and post the results.

I've experienced this before on a 2012 rMBP and it turned out to be bad memory, which resulted in a logic board replacement. See if you can run MemTest86 to confirm."
bert [Entry]

"My Macbook Pro kept shutting down then would not powder on.

I replaced my AC cord.

They do wear out.

If this works for you, check to see if you battery is charging this can take up to 3 hours."
bert [Entry]

"https://realmacmods.com/product/macbook-...

It is not a temp related issue. It is a core voltage issue."