MacBook Pro is not turning on
Hey there everyone. I have a used macbook pro that I received from a friend for dirt cheap in hopes to fix it. The thing is in great condition, however doesn't turn on. He said it was working fine then shut off on him. When I power it on, I hear the Hard drive turn on for about 2 seconds then it clicks off. This is usually a tell tail sign of a logic board failure. The battery works and the thing charges, however I did notice that the battery indicator lights on the left side weren't working.
I took apart the case to get to the internals and, all though there is no water damage, the battery connector cable is broken. Seems like he must have tried to remove the battery and broke the cable connector.
The real question is, could this be causing the laptop from turning on? I read most forum posts and can't find anything linked directly to this but I did find one other person who was having the same problem and someone suggested that the mother board could not be kicking on because this cable is not plugged in or working (I've seen stranger things happen).
Anyone think that a working 15-20$ battery indicator cable would fix my issue or is it essentially a logic board problem and I need to be prepared to drop a few hundred if I want to get it fixed?
Any help would be appreciated!
Troubleshooting I've tried:
Turning it on, with battery power - Hard drive spins for 2 seconds then turns off the machine.
Turning it on, with out a battery on AC power - Hard drive spins and doesn't turn off. Mag light was orange when charging but now that the battery is charged it's green.
Turning it on, with a different HD - Hard drive spins for 2 seconds then turns off the machine.