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My MacBook Pro A1286 had a GPU failure. I got a new logic board and installed it smoothly. Now the power button (not connected to the keyboard) does not do anything and the computer will only turn on when I connect the charger cord. (It turns on by itself) The computer says the battery is charged and at 100 percent. As soon as you disconnect the charger the computer shuts off immediately. It’s almost like it sees the battery but won’t utilize its power and run itself off it. Other than this issue it runs great.
The battery was brand new shortly before the GPU failed and would charge normally as well. I’ve already reset the PRAM and it actually won’t let me reset the SMC due to the power button not working.
Not sure what else to do aside from try to return the logic board and try another one.
I would appreciate some insight!