Locked out of Macpro
I Forgot my Safari login chain and now can't get in to my Mac Pro ,it's just a clear screen and won't shut down .
IVe tried control, alt ,delete and changed my Apple ID .
LUckily I have an iPad
iPad 2 Wi-Fi, also have ipod touch
To shutdown press and hold the Power button until the Mac shuts down.
To reset your admin/login password:
Reset the user password in OS X Lion, Mountain Lion, Mavericks and Yosemite
To reset keychain