Installed new OS system
Installed new OS system & tried to restart computer & will not start. When turn on Apple logo & line goes half way and screen goes black. Tried safe mode and same thing happens.
MacBook Pro, iOS 9.0.2
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