jeudi 11 décembre 2014

Macbook Air 2012 11 inch not charging, powers on, no power LED


I am using a third party power adapter I bought off of ebay to charge my Macbook Air. The LED will not turn on and the battery will not charge, however the Macbook otherwise functions as normal.


I have tried everything under the sun to get it to charge again. I have reseated the battery, SMC reset, warmed the charger, and ran Apple diagnostics with no faults.


I strongly suspect it is the charger and I'm anxiously waiting for a friend to get back from vacation to lend me his.


A bit of history, before the this happened, my original Apple official charger had a stress break at the T-connector. As a result, I don't believe the grounding wires were making contact. I suspect this could have damaged something.


Here's my current Power readout. If anyone has this happen to them, I want to know what I have to replace before I go out and buy a new battery, charger, etc. If it is the logic board I am tempted just to sell it AS-IS.


Battery Information:


Model Information:


Serial Number: [removed]


Manufacturer: SMP


Device Name: bq20z451


Pack Lot Code: 0


PCB Lot Code: 0


Firmware Version: 406


Hardware Revision: 000a


Cell Revision: 175


Charge Information:


Charge Remaining (mAh): 0


Fully Charged: No


Charging: No


Full Charge Capacity (mAh): 4079


Health Information:


Cycle Count: 542


Condition: Normal


Battery Installed: Yes


Amperage (mA): 0


Voltage (mV): 5894


System Power Settings:


AC Power:


System Sleep Timer (Minutes): 10


Disk Sleep Timer (Minutes): 10


Display Sleep Timer (Minutes): 10


Wake on AC Change: No


Wake on Clamshell Open: Yes


Wake on LAN: Yes


AutoPowerOff Delay: 14400


AutoPowerOff Enabled: 1


Current Power Source: Yes


DarkWakeBackgroundTasks: 1


Display Sleep Uses Dim: Yes


PrioritizeNetworkReachabilityOverSleep: 0


Standby Delay: 4200


Standby Enabled: 1


Battery Power:


System Sleep Timer (Minutes): 10


Disk Sleep Timer (Minutes): 10


Display Sleep Timer (Minutes): 2


Wake on AC Change: No


Wake on Clamshell Open: Yes


AutoPowerOff Delay: 14400


AutoPowerOff Enabled: 1


DarkWakeBackgroundTasks: 0


Display Sleep Uses Dim: Yes


Reduce Brightness: Yes


Standby Delay: 4200


Standby Enabled: 1


Hardware Configuration:


UPS Installed: No


AC Charger Information: Connected: Yes ID: 0x0000 Revision: 0x0000 Family: 0x0000 Serial Number: 0x00000000 Charging: No





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