Start up from a bootable CD, DVD, or USB thumb drive (such as OS X install media). Start up to either Apple Hardware Test or Apple Diagnostics, depending on which Mac you're using. Option-D. Start up to either Apple Hardware Test or Apple Diagnostics over the Internet.
You have a position in every situation you face... if you donât know it.. then it is simply a position swinging in the air. Nevertheless, when others who understand strategy meet you... they will know your strategic position and will be ready to overtake you in any challenge with them.
1 A leader should be strategically focused at least 15% of the time (the more senior, the higher the percentage). 2  You must take a hard look at where you actually spend your time, and where you should. Make an adjustment to be more strategic.