Apple Event: May 7th at 7 am PT
Last month ,i installed window 7 home premium on my macbook.Everything was running smoothly. But today my mac suddenly shut down itself.When i restart it,it froze at the window start up.I cant do any command like pressing option , command + r ,it continues to go into window partition and it started to freeze
MacBook Pro
Please run the following two procedures
Resetting the System Management Controller (SMC) on your Mac - Apple Support
How to Reset NVRAM on your Mac - Apple Support
Power cycle you Mac and hold the Alt/Option key. Can you select OS X?
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Please ensure that you have regular backups of OS X and Windows to external disks.
My macbook pro is froze
