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The March 2015 update of Apple's 13" MacBook Pro Retina Display, model A1502, features fifth-generation Intel Core i5 and i7 processors and introduces the Force Touch trackpad.

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Why isn't my MacBook Working?

Hey.

-Startup is with chime, so I hear the chime.

-Tried PRAM and SCM reset.

-The screen will not show any image, but it turns into a "lighter" black, and some dead pixels are shown.

-It will show a image on a monitor with HDMI, but the loading bar on the startup screens is just halfway and stuck.

Tried to change the logic board, but nothing major different...

Please help

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Did you have some liquid spilled into your system?

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I would first try an Internet Reinstall of the system. Here's how to do it:

http://osxdaily.com/2014/12/14/reinstall...

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haakonem will be eternally grateful.
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