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After Updating to mac os High Sierra Whenever Macbook awakes from sleep it flashes a white screen with apple logo and progress bar and sometimes it shows freezed image of the app that i was working on .

reset Smc , nvram and installed new os nothing fixed this . Device:- Macbook Pro mid 2012 Os:- mac os High Sierra

  • This sounds like macOS Safe Sleep. Does the progress bar look like this? - support.apple.com/en-us/HT201635 – drivec Apr 23 '18 at 14:10
  • no. It Has A white background with apple logo and progress bar under it – Amey Apr 23 '18 at 14:11

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