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A reminder to remove the PRAM battery from your Mac, or replace it with a new one every few years to prevent this from happening. This was a Macintosh IIvx with its
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922-8266) PRAM Battery – Apple MacBook 13″ A1181 (Late 2007-Early 2008)
What Happens When Your Motherboard CMOS Battery Is Dead
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Is Your Computer Battery Dead? How to Fix and Replace Your CMOS Battery
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