MacBook 3 beeps on startup (and more)

Friends,

I had a lot of trouble with my mac from a few months ago.  I first noticed the problem when I take my Macbook Pro in the upper left corner of the base (entering by the ESC key).

After that I take it, the computer will restart immediately.  It wasn't a huge problem until my laptop started beeping 3 times at startup.  In the end, I thought that it was a situation of RAM, and he just needs to be replaced.  This is my go - to fix if the beeps never started again (which they would be weekly or more).  My problem got worse and worse and the beeps return earlier and faster.  I'm constantly afraid closures hard are eating away at my computer and I don't know what to do.  Every now and then, the aura of bars, crossing, screen to enter the upper left corner.

Any help is appreciated, I intend to take it in as soon as I get home (I'm a student) but want to see if there is something I can do.  LANDAU has been reset, and all the RAM have been pre-installed.

I work with a MacBook Pro (13-inch, mid 2012) and El Capitan running.  8 GB 1600 MHz DDR3 RAM that say 'OK' in the diagnosis.

Thank you guys so much, let me know if I can provide further information.

Three beeps indicate that RAM is unable or does not, and must be replaced.

You can run the help Apple Hardware Test - Apple Support

Tags: Notebooks

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