Will not hold a charge or turn on without being plugged in?
I have a late 2008 model Macbook that has been working fine until a few months ago when the battery life started lessening over time until it finally would die unless it was plugged in at all times. At that point I just always used it while plugged in and then the charger stopped working. Since this incident I purchased a new battery and a new charger and It will now turn on while plugged in and will say it has charged but will die when it is on and unplugged, and once it is off again it not start up until plugged in. So that tells me the issue was not with the battery and charger. Which parts need to be replaced to fix this issue?
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