User Guide

Mac Pro — Opening the Computer 10
Opening the Computer
Tools
No tools are required for this procedure.
Preliminary Steps
Shut down the computer. 1.
Warning: Always shut down the computer before opening it to avoid damaging its internal
components or the components you are installing. Do not open the computer or attempt to
install items inside it while it is on.
Wait 5 to 10 minutes to allow the computer’s internal components to cool. 2.
Warning: After you shut down the system, the internal components can be very hot. You
must let the computer cool down before continuing.
Unplug all external cables from the computer except the power cord.3.
Touch the metal PCI access covers on the back of the computer to discharge any static 4.
electricity from your body.
Important: Always discharge static before you touch any parts or install any components
inside the computer. To avoid generating static electricity, do not walk around the room until
you have nished working and closed the computer.
Unplug the power cord. 5.
Warning: To avoid damaging its internal components or the components you want to
install, always unplug the computer before attempting any take-apart procedure.
Put on an ESD wrist strap.6.