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After updating my MacBookPro to macOS Sierra, the display sometimes freezes in the lock screen, when waking up from sleep. I have to wait for a few seconds before the Mac allows me to insert my password and unlock it.

Does anyone know how to solve this issue?

  • Mine actually crashes, forcing the computer to reboot. Did you take it to a store? – Johnny Kutnowski Dec 7 '16 at 11:35
  • No, I was wondering if there were a more immediate solution for fixing this issue. – mgiordi Dec 7 '16 at 12:21

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