A french/spanish/portuguese blog and everything in between: Running a macbook without battery ... let's go:
SOLVED: Battery not detected, high speed fan, but it turned on without charger - MacBook Pro 13" Retina Display Mid 2014 - iFixit
SOLVED: Battery not detected, high speed fan, but it turned on without charger - MacBook Pro 13" Retina Display Mid 2014 - iFixit
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