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      06-08-2012, 11:17 AM   #170
JasonCSU
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Quote:
Originally Posted by Sara504 View Post
Ok explain this to me as it just happened.

Im upstairs in my room. Watching tv doing some online browsing. I get up and it took me all of probably 90 seconds to come back to my bed. My macbook went from battery life in the 35(ish)% to 7%. It warns me and turns red when it gets into the 20's so I know I was good on battery charge for a while. wtf.......... Im now downstairs.
How old is the Macbook? If it's a few years old, the battery may not be holding its charge as well, or it could be an issue with the SMC (system management controller). The SMC reports the battery status and should control the charging as well. There have been issues with the SMC not reporting the battery status correctly and needing to be reset. In my case, the SMC will no longer charge any battery in my Macbook even after resetting it.
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