I am trying to start the computer, but no display is coming up, the buzzing sound is there, fan is running, caps lock button turning up, but computer not starting.
One time it started and come up with option to change password, i changed the password and restarted, but still no luck.
Please help me out ASAP.
MacBook Pro (15-inch Late 2011), OS X El Capitan (10.11)
Are you getting a startup chime?
- 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
It could be this problem:
http://www.apple.com/support/macbookpro-videoissues/
This is the Mac Pro desktop forum. I requested your post be moved to the MacBook Pro laptop forum.
MacBook Pro not starting up
