Hey,
I have just replaced a battery for a customer but the MacBook will not power on.
i have followed all steps carefully and check them again but no success.
i placed the MacBook on a low voltage charge as you suggested, I reopened the MacBook and checked all ribbons and connections and everything is how it should be. The little light on the logic board for the battery power is on as well.
is there something I am missing?
Thank you