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Macbook shuts down instead of sleeping when battery is low
Instead of going into sleep or deep sleep, my Macbook shuts down (actually crashes because of power cut) when the battery is very low. The battery life is good, so it's not that it wouldn't have time to sleep anyway.
Furthermore, I just had a complete random shutdown, although the problem appeared to be fixed by Apple repair and didnt appear for a long time now.
MacPro, Macbook,
Mac OS X (10.4.11),
...Mac Plus 4MB
Same thing for me with my new MacBook (bought one week ago) : I've done what is advised in
http://docs.info.apple.com/article.html?path=Mac/10.5/fr/9036.html but at the end of the battery, the computer shuts down directly without sleeping (and of course doesn't stop correctly the OS).
I hadn't the same problem with my old MacBook 2006.
I have seen the same situation with mine. The problem is that you're so far out of calibration that the battery goes completely flat before it reaches the set graceful shut down point. Here are two things to try:
- you didn't say what you were doing with the computer when you calibrated, but as it approaches the end you should probably be doing nothing with it, so that it can approach EMPTY as slowly as possible for the calibration (this worked for me)
I've the same problem with my mb. It shutdown instead of going sleep when battery is very low. I've tried re-calibration, SMC, pram reset, but anything work.
Seems that (after a shutdown with low battery), do a smc reset and a full charge (maybe all night long) make the mb runs well again.
It's not good at all (it had NOT to do this jokes - NEVER) but it's a solution.
Mine does this too, and it is totally unacceptable! My ibook (4 years old) would peacefully go to sleep if the battery got too low, and then when it got power back it would wake up right where it left off - even if that was a few days later. MacBook gets low, then just shuts down - no saving of files, no remembering open apps/webpages/files, just complete shutdown! I thought I must have a messed up setting, and I'm still hoping to discover that is the case -- but the Apple Genius Bar rep said this was normal. I am still having trouble believing Apple would do that.