Mac Help

System extension cannot be used after installing iTunes 11.4 System extension cannot be used after installing iTunes 11.4 (Local) Malware on MACs

Resetting SMC

     
1.Shut down the computer.
2.Plug in the power adapter.
3.On the built-in keyboard, press the Shift, Control, and Option keys on the left side and the power button, all at the same time.
4.Release all three keys at the same time.
5.Turn on the computer.
Using rsync on MAC      
     

Resetting PRAM (BIOS)

     
1.Shut down the computer.
2.Press the power button.
3.Before the grey screen appears, press the Command, Option, P, and R keys at the same time.
4.Hold the keys until your computer restarts and you hear the startup sound a second time.
5.Release the keys.
Source Code for Lisa OS 2018      
      Link to Good Article on how to reset SMC and PRAM