Removing the Left Side Cover
Before installing optional hardware inside your system, you must first remove the left side cover from the system unit.
!WARNING
Before removing the left side cover, turn off system power and unplug the system power cable. Power is removed only when the power cable is unplugged.
1.Turn off and unplug the system unit.
2.Disconnect any external options (such as a keyboard and monitor) from the front or rear of the system unit.
!CAUTION
Electrostatic discharge can damage computer components. Discharge static electricity by touching a metal object before removing the left side cover.
3.If you have a padlock in the lock tab on the rear of the chassis, remove it.
