HT204156: About the screens you see when your Mac starts up
Learn about About the screens you see when your Mac starts up
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All replies
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Helpful answers
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Sep 22, 2016 6:37 AM in response to mzguptaby 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 logging in as another user
- 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
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Sep 22, 2016 4:25 PM in response to mzguptaby BobHarris,Can you please post the output from EtreCheck
<https://discussions.apple.com/docs/DOC-6174> or <http://etrecheck.com>