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I burnt my I/O board . So I replaced it as your guide video . I tried to recharge it before close my mac with screws but it did not charge .I let the charger plugged and while I put the screws to close it ,it start charging. After I finished all screws . I removed the charger ,then plugged it again but it do not charging again. Please,advise what the problem.
Remove back cover. Reseat IO board connections. Macbook Air batteries are pretty fragile and dent/damage very easy, you should inspect the batteries for damage if you did not use the battery cover or made a mistake during the repair.
