MBP turns on and turns off when plugging in/out

Hi all

I had a problem with my MacBook Pro mid 2012 since I got it. I started with Mountain Lion and have recently upgraded to El Capitan. Same problem on all releases. I assumed it was a feature, but it really starts to get boring.

When my MacBook is in mode 'sleep' (closed or open, is not serious), whenever I plug the power chord, or it just turns and then fall back to sleep after a few seconds. I know that MacBook have a sort of hybrid of special standby/hibernation where they also record the State of the hard drive, but why should it turn on when I pull the power cord? This is especially troublesome when I travel. I want to just pull the cord and put the MBP in my bag. But no, I have to wait until she returns from his sleep, and again, without the risk of possible damage/failure of HARD drive.

I hope someone has a solution or maybe just an explanation for it.

Thank you!


It is safer to stop any computer before departure.  Why it does what you say it does let you guess.  Not all models for this.  I tried to address this during your first year of ownership or Applecare and not 4 years later.  In addition, your PRAM Battery or the main battery may be soon need replacement, and who could do to issues of power more.

Tags: Notebooks

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