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Origineel bericht door: Anton ,


After upgraing MacBook's RAM and SSD caused it to stopped working



I will really appreciate a help from anyone :)

I'm the owner of MacBook Pro Late 2011 13". Recently I've decided to upgrade it with higher capacity Ram and SSD.

Yesterday, after following the instructions from, my MacBook stopped working with next symptoms:

MacBook is not turning on. After I'm plugging in the power adapter (green light) I can here the clicking sound (approx. every second or even a bit faster) and the light on the front edge starts blinking (sync with clicking sound). I've tried many different scenarios, disabling some parts of it (battery, hdd, RAM ,etc), holding and releasing the power button etc... but result is still the same... I've also tried to revert back to the previous configuration but it's still not working.

Worth to mention that I've also tried this scenario with hodling power button for 10 secs and then (without releasing it) enabling the power adapter, as a result MacBook switch to next state:

Fan has started to work more intensively, SIL light has stopped to blink and clicking noise has changed to some other, even more silent sounds. After waiting for a couple minutes MacBook didn't exit from this state.

Any ideas what can be the problem here and how it can be resolved?

Thank in advance


MacBook Pro 13" Unibody Late 2011