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So I have this Macbook Pro Early 2015 the 13" one.. when turning on seems to be fine but after logging in theres a lightning thunder-like appearing on the screen.. has this happen to anyone of you? Am I the only one? I bought it February of this year.
It does not show up everytime.. just randomly. Maybe 8x now.
MAC OS X EL CAPITAL 10.11.6

Here is the link:
https://youtu.be/x_h5zL5O2uM

You would notice at 15 seconds onwards frame.
Is it alarming? I have never experience so far any problem with my mac except that lightning thing.

Thank you in advance..