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Helpful answers
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Sep 3, 2016 8:36 AM in response to eurodolbyby lllaass,- Try resetting the SMC and NVRAM/PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
https://support.apple.com/en-us/HT201295
https://support.apple.com/en-us/HT204063
- Try starting in Safe Mode
OS X: What is Safe Boot, Safe Mode?
https://support.apple.com/en-us/HT201262
- Boot to Recovery and repair the startup disk
OS X: About OS X Recovery - Apple Support
https://support.apple.com/en-us/HT201314
- If it is repairable reinstall the OSX
How to reinstall OS X on your Mac - Apple Support
https://support.apple.com/en-us/HT204904
- If you do not have a backup use disk utility to restore the internal disk to an external disk so you can try to recover data.
Then format the startup disk and do a fresh install of OSX
You can also call Apple since yo have 90 days of free telephone support
https://www.apple.com/support/complimentary/
This is the Mac Pro desktop forum. I requested your post be moved to the MacBook Air laptop forum or other appropriate forum.
Please move to the MacBook Air forum or other appropriate forum. Thanks