MacBook pro doesn't boot/guard chrasing (end 2011-17 ")

Dear community,

I have a problem with my laptop as expensive. All started a few months ago. Guard just by chance my business, when all of a sudden my screen blink, turning blue, split in two. Hmmm weird, never had this before. Was not any substance is heavy on the machine in time.

For troubleshooting begins: Reboot, = > boots ok. Yes it works! After 10-15 minutes, the same question. Woohoo!

Reboot again, this time without success. It gets stuck at the loading screen grey and begins fanning upward. After becoming as hot as Mordor, it stops. Tried a few reboots, but all with the same result.

Occasionally, it starts successfully and I can work perfect for about 10 to 30 minutes. (After restarting 5ish, at this point I did a backup on an external).

My first assumption is therefore a bit my HARD drive stopped working. (Had the same problem a few years ago, swap HARD drive fixed)

So I start with basic stuff. Check if everything is always in place. Swap the RAM, see if everything is still ok.

Restart the macbook, without success. Same screen.

Cannot access disk utility, startup does not work either. Memory NVRAM and SMC reset does not work.

Single user mode is the only thing that seems to work all the time. (Note: I was looking for similar problems a little on the net.)

I came across a forum a clever solution:

/sbin/fsck -fy

/sbin/mount -uw /

rm /var/db/.AppleSetupDone

reset

TADAA! I can create a new account. Everything seems fine! First thing we do is to check my HARD drive. No problems found. But after 30 minutes ish it crashes again

Only the same deal in single user mode but this time without success.

So no start working at this point.

For some reason any (after 1000000 tries), I went into disk util. So clean it up the installation of the operating system. Installation is made but same problem starting.

With a friend we swap HDD and my HARD drive (SSD) starts fine on his machine. His HARD drive (windows OS) starts immediately on my macbook.

But the fun doesn't last long, after 30 minutes of use ish, the macbook crashes again and the startup problem starts again.

At this point im guessing a hardware problem somewhere. Maybe someone has or has had the same problem or can help with this problem.

Sorry for the long reading and occasional grammar mistakes.

Any suggestion or help is gladly appreciated!

PS: The only thing that had changed was that I bought a new magsafe power adapter but it loads fine.

Greetings Fernando.

Your MBP falls into this category:

https://www.Apple.com/support/MacBookPro-videoissues/

Visit an Apple store and tested it.

Ciao.

Tags: Notebooks

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