Q: My MacBook Pro does not continue to start up.
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Oct 14, 2015 6:56 AMby lllaass,Resolve startup issues and perform disk maintenance with Disk Utility and fsck
The X Lab: Troubleshooting Startup and Login Items
Top 10 Troubleshooting Tips for Mac Startup Problems
- Try resetting the SMC and NVRAM/PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
- Try starting in Safe Mode
OS X: What is Safe Boot, Safe Mode?
- Boot to Recovery and repair the startup disk
OS X: About OS X Recovery - Apple Support
- If it is repairable reinstall the OSX
How to reinstall OS X on your Mac - Apple Support
- 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
