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I was constantly getting a notification that USB ports had been disabled due to an accessory using too much power. Most of the time there was nothing plugged in when I received the notification. So, in an attempt to fix this problem I reset the SCM(option-command-power while off), but that really screwed everything up. I was never able to boot up fully again. It would ask for password, but never get passed that. Once I was able to successfully boot in safe mode. The biggest problem is that after resetting the SCM it never again accepted a charge. I’m thinking that the USB ports stayed disabled. Now, my battery is dead and I can’t charge it to even try fixing it. Any ideas? I’m at a loss. Thanks

Edit: Assuming it is not a hardware problem (which it seems like it is), are there any ideas on how to get the battery charged to at least attempt to work on it?

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    Sounds like hardware error. I would take it in for repairs. – jksoegaard Feb 19 at 22:49
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    Try resetting the SMC again, but if things get worse after an SMC reset, it's most likely the logic board. – Allan Feb 19 at 23:06
  • I did do a hardware test(holding D down on boot up) before resetting SCM to see if it would say anything about USB issues. Everything checked out ok in that test. – Joshua Goossen Feb 19 at 23:30
  • Not being able to charge is a hardware issue. It must go in for service as there is nothing you can do to overcome this. – Allan Feb 20 at 13:29
  • Try resetting the PRAM. It's worth a shot too. support.apple.com/en-us/HT204063 – technogeek1995 Feb 20 at 15:44

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