Macbook Pro only turns on with battery unplugged
Hi Apple Community,
So I have a late 2011 Macbook Pro, and my problems is very specific and somewhat strange, but simple. If the computer is off, I can only turn it on if I open up the case, unplug the battery, and plug in the power adapter. Afterwards I can reconnect the battery, close up the case, and it works fine (and stays operational on battery power when unplugged; the battery evidently holds and delivers power just fine). I've brought it into the store and they were stumped, but I wanted to see if anyone has seen anything like this before I send my 3 year old computer away for a potentially very expensive repair at a depot.
To review:
Computer will not turn on if it is off and the battery is connected, whether it is plugged in at the time or not.
If the battery is disconnected, it will turn on with adapter power.
Once turned on, it functions normally.
If I literally "Restart", it succeeds in coming back on, which I assume is because formally selecting the "Restart" function is different from actually turning the computer off.
And final note that I don't believe should affect the computer's ability to turn on, but I don't have an OSX installation on the computer. It's running exclusively WIndows 7.
Any input appreciated
Thanks
Brian
I would install the HDD with the OSX and see if the same condition persists. If so, perform a SMC and a NVRAM resets:
http://support.apple.com/en-us/HT201295
http://support.apple.com/en-us/HT204063
Ciao.
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