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Question: Imac 27 boots up with apple logo and completes status line to end then stops

Imac 27" purchased 2014. Did a restart and boots up with apple logo clear to end of white line then stops. Let it set for 6 hours and then powered off and tried again. same results. software is up to date. Boot tone at beginning is the same as it always has been since purchased.

iMac, iOS 10.1.1, 64gb

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Try booting into safe mode Use safe mode to isolate issues with your Mac - Apple Support

If that doesn't work try resetting the NVRAM How to reset NVRAM on your Mac - Apple Support

and SMC How to reset the System Management Controller (SMC) on your Mac - Apple Support

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Mar 11, 2018 6:32 AM in response to millertom2116 In response to millertom2116

If you're running a Fusion drive, make sure it is working properly i.e. still being read as a single drive. Sadly it involves reformatting and initializing and therefor losing your data. The following link solved the issue. Please read it carefully.


https://discussions.apple.com/thread/7618341

Mar 11, 2018 6:32 AM

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Question: Imac 27 boots up with apple logo and completes status line to end then stops