1. sarahpaez22's Avatar
    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:


    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..
    10-31-2016 01:42 PM
  2. michelfo's Avatar
    It's a bit hard to see on the video. Is the whole screen quickly flashing white?

    I don't think it's particularly worrisome, as long as it stays predictable and always at the same moment every time it happens. Looks like a small inconsequent glitch in the preparation of the fade-in animation for showing the non-blurred desktop.
    11-14-2016 10:30 PM

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