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Did you just try to connect and disconnect the battery,? also check your adapter ang charging port if theres a burn out pins.
続きを読むi think your peocess of dfu is unsuccessful , just try this link.https://support.apple.com/en-ca/guide/apple-configurator-2/apdebea5be51/mac
続きを読むIs there a chance that you can open and try to reconnect the battery connector, because i had a same peoblem before the battery is totally drain and it pwont charge, so i tried to reset battery connector then it work.
続きを読むdid you check properly if your lcd flex connector to the board is properly connected or your home button to the lcd.
続きを読むhttps://www.replacementlaptopkeys.com/ap... try this link.
続きを読むIs your battery is new or still good? maybe try PRAM or NVRAM.
続きを読むDid you try any HDMI cable?
続きを読むI think if i not wrong, the problem is not with the charging port flex, because the charge port and mic are in desame connection. Update (09/21/2020): Did you try to replace just the mic piece part?
続きを読むMaybe you wipe the HDD in the wrong format thats why its not detected. Also tried to check if the cable connection is properly connected
続きを読むhow about try to solder that part or find some tiny wire to make as extension, then solder it to the board and part that was been remove but make sure you properly attach the exact connection for both end.
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