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I really your help here. I have MacBook Pro 15 mid 2009 A1286 unibody. I was using it and screen disappeared on me. I tried to turn back on but no noise, no chime or no lights on keyboards. I tried put on charge and yes it’s genuine 85w apple charger but nothing happened. I pulled the battery out and tried to fire up just with MagSafe. Nothing again. Tried SMC reset. Tried another new 85w MagSafe Even put in new Anker battery. All the connector on logic board are visible, I unplugged them and reconnected em already. When I plugged the charge I get green light on the connector and it also turns orange like it supposed to do and after while it turned green. Means new battery was charged up. And the side bar shows all green lights but as soon as I unplug the MagSafe. It’s shows no charger on the sidebar. And the battery that was charged up for hours show no life on the side bar check. MBP is not booting at all. Also tried 10 second push down with and without the battery and MagSafe. But no luck. Also tried Ram pulling out one by one and pushing power button for 10 seconds but no luck. There is no apple store around here up in North of Alberta. I have to go 6 hour drive. Only thing I can do is order parts and replace one bye one. Please help me out. All of you wonderful and knowledgeable people. I thank you in advance for your time. Manny

From the sounds of it I suspect you have possibly two problems here. The first is the charger circuit is not charging the battery. That explains why the battery tester LED’s show a charged state when you have the AC adapter connected, but then don’t show up when the AC adapter is removed. But that doesn’t explain why your fresh battery still couldn’t startup your system. Are you sure it was charged? It’s possible it wasn’t. You’ll need a second system to use as a tester and charger for your batteries do you have access? If you do try swapping out a known fully charged battery to your system. Did the battery tester LED’s light up correctly? If so then try turning your system on. Did it show any sign of life? If not thats not good ;-{ Did you spill something into the system or bang it?

Sorry if you’ve already done this, but you should be able to reconnect the battery. I’ve had the same issue on my MacBook Pro, and that fixed it.