MacBook Pro :: Can't Turn On It Doesn't Response To Power Button

Jun 1, 2014

A few hours ago i tried to turn it on  but it only showed the apple screen for a few seconds and turn off automatically.. i can't turn it back on anymore..

It doesn't response to the power button  nothing happen after pressing the button. I am sure it is charged... what should i do..?

Info:
MacBook Pro (Retina, Mid 2012)

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I read in another thread, can't find the link now, that disconnecting the battery, connecting mains, then connecting the battery would turn it on, but that doesn't seem to work for me.

Info:
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Anonymous UUID:       398E619F-8811-6838-BEFC-13DF20E24CAE Tue May 27 10:02:04 2014panic(cpu 4 caller 0xffffff7fa970bf7c): "GPU Panic: [<None>] 3 0 a0 d9 9 8 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0x102c00000 0xffffff8138e01000 0x0e7150a2, D0, P3/4

[Code]....

Info:
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The most recent log in the system diagnostics is titled:

aosnotifyd,diskarbitrationd_2014-08-21-184310_MacBook-Pro.shutdownStall 

And the brief details are:

ate/Time:       2014-08-20 22:02:42 -0700

OS Version:      10.9.4 (Build 13E28)

Architecture:    x86_64

Report Version:  18  

Command:         No Target

[code]....

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Info:
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Info:
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