MacBook Pro A1466 I/O board
My MacBook Pro doesn’t turn on and I have no LED light on the chargers MagSafe.
Is it a bad I/O board or something else. The charger is working perfectly and the battery is good.
Thank You
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Review this Apple T/N Apple Portables: Troubleshooting MagSafe adapters
Make sure the middle pin is sitting proud.
You should also make sure the systems MagSafe socket is clean as any build up of dirt can interfere with the mating of the contacts as well as make sure the metal contact are clean and not damaged like this one is
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How do you know the battery & charger are good?
Dan さんによる
new battery, and new charger .
Axel Asba さんによる
What do the pins on the MagSafe 2 port look like? Do they appear dirty or burnt? Is the charger head seating properly when connected to the port? Also, try an SMC reset following these instructions https://support.apple.com/en-us/HT201295
Zach さんによる
i tried SMC reset.
Axel Asba さんによる