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Bericht: Antwoord op "My USB ports are disabled."
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Kiezers: oldturkey03 (Door beheerder besloten)
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Ben Santos @bensantos

Rep: 277

Vraag

My USB ports are disabled.

Gepost:

When plugging into the usb ports, a popup window says it has been disabled because a device is using too much power. I've tried resetting the SMU, PRAM, disconnected the battery for 10 minutes. Nothing works. The only other advice I've read is that the logic board may need to be replaced.

What can I do short of replacing the logic board.

Majesty @majesty68214

Rep: 20,8k

Antwoord

Gepost:

Hello Ben....as u see below, there are two different SMC resets. It depends on wether u have a removable battery or not.

Reset the SMC of a MacBook or MacBook Pro’s with detachable batteries:

  • Shutdown the MacBook/Pro and remove the battery
  • Disconnect the power adapter, hold the Power Key for 10 seconds
  • Release the power key and reconnect your battery and power adapter
  • Turn your Mac on
  • Let boot as usual.

Reset SMC of a MacBook or MacBook Pro’s with an internal battery:

  • Shutdown your MacBook/Pro
  • Connect the power adapter to your Mac
  • On the MacBook/Pro’s keyboard, hold down the Shift+Control+Option keys and the Power button at the same time
  • Release all keys and the power button at the same time
  • Boot your Mac as usual

Make sure that you are performing the correct SMC for your machine. If this doesn't work; I would create a new user account and see if the problem persists, before jumping into a repair. If this doesn't help; you might need to replace the I/O Board of your machine.