Hi,
I have a Macbook from mid 2009 and suddenly shutdown and doesn't turn on with the battery, only with the power adapter connected. The battery is connected but not charging.
I reset the SMC and NVRAM but seems to be a firmware problem. Then I saw this firmware upgrade ( http://support.apple.com/kb/DL1625 ) that may solve this issue, yes, my battery have more than 1000 charge cycles. But the installer doesn't allow me to install it.
Any thoughts?
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