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Sunday, January 27, 2013

MacBook Pro randomly shuts off only when on battery

Hi all,

 

I have a MacBook Pro 2,2 15" 2.33ghz C2D. running lion 10.7.5

For the past few months I had a broken battery in it, it didn't work at all, I only had it there to fill up the whole. I finally got a new, working battery, installed it, and the computer will just shut off without warning at any given time, while on battery power. It doesn't happen if its plugged in. I can usually get about a half hour or an hour use, then it shuts off, I can turn it back on and the battery is still practically full. Any idea why it's doing this?

Thanks in advanced - Joey


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