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OS X - Operating System General OS operation information and support

Running out of battery results in deletion of files, resetting of preferences, etc.


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mundane bob

 
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My 2009 macbook has been acting up for a long time, but recently its become even worse. Before, charging and booting up my macbook when it was dead still kept everything as it was. About two or three months ago, charging and booting up my macbook when it was dead resulted in a completely fresh boot up as if I had shut down my macbook prior. When I logged in, it resetted my clock and displayed the message "Your clock's date has been set to January 1, 2001 which can result in programs to behave erratically." However, it was a minor issue, and my clock fixed itself after a few minutes, so I dismissed it.

But now, running out of battery results in all sorts of glitches. A week ago, when my macbook ran out of battery, all my extensions for google chrome were deleted. Today, after my laptop died, my wallpaper was reverted to default aurora, my dock reverted to its default apps, the default programs to open files with were muddled up, among other things. Fortunately, I had the sense to log out/in before I started fiddling with things, and I logged back into everything being the way it was before.

EDIT: Actually, the default programs for opening files still remained jumbled :S.

However, if it continues to follow this path, I fear for what may happen in the next 5, 10, 20 instances where my laptop runs out of battery. What makes it worse is that 50% of the time, my macbook doesn't even display the "you are running out of battery" warning, and it can die at as much as 15% battery remaining. Anyone know how to fix this? :S
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chscag

 
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For one, don't let your battery run down to the point where it shuts off the machine. Secondly, it sounds like the problem may actually be with the PRAM battery which is located on the logic board. The ifixit web site sells the PRAM battery you need and also provides instructions for changing it out yourself.

See this LINK.
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