Q: MacBook air doesn't work without Power Adapter
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Sep 6, 2016 8:18 AMby CT,HelpfulMaybe your battery has gone bad? What does it say when you click on the battery icon in the menubar? And what does it say under "Battery information" if you: option-click the Apple menu icon, select System Information, then select "Power" in the left side navigation thingy?
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Sep 6, 2016 12:25 PMby OGELTHORPE,HelpfulOpen System Information and post the following from your MBA.
Make certain that the charger is connected.
Also run an Apple Hardware Test:
https://support.apple.com/en-us/HT201257
Note that an error free AHT is not conclusive.
Ciao.
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Sep 6, 2016 4:25 PMby OGELTHORPE,From the look of the System Information output, the charger may be faulty or the DC input board, in my opinion. Can you test with a different charger? Did you run the AHT again and did it produce any errors?
Try a SMC reset and see if that helps:
https://support.apple.com/en-us/HT201295
If not, then it is nearly certain that you are dealing with a hardware problem. Make an appointment at an Apple store genius bar for a FREE evaluation.
Ciao.
