MacBook Pro freezes, screen starts shaking and shuts

I am facing a problem that after starting to use the macbook for a few minutes. Screen suddenly starts to shake quickly. Everything freezes, and if all the sounds played, last moments will continue to repeat. This happens for like 10 seconds until the computer turns off completely. https://www.YouTube.com/watch?v=jpvRcQLdWXc

My MacBook pro is mid 2014 13 "version. I guess it started to happen after updating to 10.11.4. I tried to reinstall and the problem is still there. Test hardware receives no error. I figured it could be a heating problem. But after, it seems that this happens even at ordinary temperatures. This screenshot is just taken immediately after a crash.

I fixed it by clearing the NVRAM.

Here's how to reset your PRAM:

  1. Turn your machine off. Yes, while down, no sleep, or a disconnection.
  2. Press the power button and press command-option-p-r. ...
  3. Hold these keys down until your Mac what it charges again and you here the startup chime.
  4. Release the keys and let your Mac restarts normally.

Tags: Notebooks

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