Macbook pro 13 power button

[ciki]

Now macbook turn on only when you disconnect battery and drain power ,then connect charger turn on automatic after charger is connected,I change new keyboard same so problem is on motherboard . Macbook works perfect once is turn on even charging battery ,restarting normally ,everything works perfect.
Macbook pro 13 (early2011) A1278

[macattack600]

Re: Macbook pro 13 power button

Remove battery hold power button for 10 seconds wait 10 seconds but battery back in and connect charger when it starts up hold cmd-option+p+r .

[ciki]

Re: Macbook pro 13 power button

thx try that and same thing

[dellxps15]

Re: Macbook pro 13 power button

Now macbook turn on only when you disconnect battery and drain power ,then connect charger turn on automatic after charger is connected,I change new keyboard same so problem is on motherboard . Macbook works perfect once is turn on even charging battery ,restarting normally ,everything works perfect.
Macbook pro 13 (early2011) A1278

new macbook pro i5 i7 when battery is not connected turn on automatically when u plug power supply. u have something wrong on power botton.

check pin n°5 of keyboard connector and see how many volt u have and how many voltage u have when pressing power botton.

[ciki]

Re: Macbook pro 13 power button

hi thx i get 3.4 v on pin 5 ,and I found when I short 2 pins beside smc turn on ,I think definitely need new keyboard again

[gcomputers]

Re: Macbook pro 13 power button

look this video for me function this method but you need to modify the power button
https://www.youtube.com/watch?v=GNdaT-aUqns