'''Sounds like a cracked battery.''' I had a MacBookAir with an almost invisible crack in the battery caused by someone placing something on top of my case in an overhead storage bin. It acted all sorts of strange ways, powering off, sometimes not wanting to power on, powering on but "no battery detected". I finally opened the unit, disconnected the batter and picked it up...as I did I saw a crack appear across the case of the battery'' (it was not visible until I held the battery by one side/corner).''
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'''Sounds like a cracked battery.''' I had a MacBookAir with an almost invisible crack in the battery caused by someone placing something on top of my case in an overhead storage bin. It acted all sorts of strange ways, powering off, sometimes not wanting to power on, powering on but "no battery detected".
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I finally opened the unit, disconnected the battery and picked it up...as I did I saw a crack appear across the case of the battery'' (it was not visible until I held the battery by one side/corner).''
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Replacing the battery solved all the issues.
''If this Answer is helpful '''please remember to return and mark it '''Accepted.''
'''Sounds like a cracked battery.''' I had a MacBookAir with an almost invisible crack in it caused by someone placing something on top of my case in an overhead storage bin. It acted all sorts of strange ways, powering off, sometimes not wanting to power on, powering on but "no battery detected". I finally opened the unit, disconnected the batter and picked it up...as I did I saw a crack appear across the case of the battery'' (it was not visible until I held the battery by one side/corner).''
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'''Sounds like a cracked battery.''' I had a MacBookAir with an almost invisible crack in the battery caused by someone placing something on top of my case in an overhead storage bin. It acted all sorts of strange ways, powering off, sometimes not wanting to power on, powering on but "no battery detected". I finally opened the unit, disconnected the batter and picked it up...as I did I saw a crack appear across the case of the battery'' (it was not visible until I held the battery by one side/corner).''
''If this Answer is helpful '''please remember to return and mark it '''Accepted.''
'''Sounds like a cracked battery.''' I had a MacBookAir with an almost invisible crack in it caused by someone placing something on top of my case in an overhead storage bin. It acted all sorts of strange ways, powering off, sometimes not wanting to power on, powering on but "no battery detected". I finally opened the unit, disconnected the batter and picked it up...as I did I saw a crack appear across the case of the battery'' (it was not visible until I held the battery by one side/corner).''
''If this Answer is helpful '''please remember to return and mark it '''Accepted.''