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Mid 2012 model, A1278 / 2.5 GHz i5 or 2.9 GHz i7 processor.

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no boot no fan no activity all completely dead

HI to all, i've a macbookpro 2012 a1278 (i5 4gb ddr3 1333ram, 500hd). i've used it without problem today listening some music (under recharge). then i've closed the macbook e i've gone out. coming back home, i've found it completely dead. the only thing the work is the light from mag safe. i've tried to disconnect the battery reset pvram smc etc etc....but it is all dead

THIS IS MY MMOTHERBOARD

[http://imageshack.com/a/img838/4356/0uvc...

http://imageshack.com/a/img163/930/56ql....

COULD YOU SUGGEST ME WHICH IS THE EXACT MODEL?

Answered! View the answer I have this problem too

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Apple MacBook Pro "Core i5" 2.5 13" Mid-2012 Specs

Identifiers: Mid-2012 13" - MD101LL/A - MacBookPro9,2 - A1278 - 2554*

http://everymac.com/systems/apple/macboo...

Press the test button on the side and see what the battery status is and let us know.

Disconnect the battery and MagSafe, then press and hold the power button for 10 seconds. Reconnect and see if it will work.

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hi mayer, without magsafe, pressing test button nothing happens. if i connect connect the magsafe, all led blink one after other like it's charging

i've done the disconnection of the battery magsafe etc etc...nothing happen

by

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ruben will be eternally grateful.
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