NEC PowerMate Professional 9000E Series User Manual page 103

!
Before you remove a system unit cover, turn off
the 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 the keyboard, mouse, monitor, and any other
attached device (such as speakers or a printer) from the
rear of the system unit.
! CAUTION
Electrostatic discharge can damage computer
components. Discharge static electricity by
touching a metal object before removing the
system unit cover.
1. If you have a chassis lock that connects to the
®
Kensington Security Standard connector, remove it.
2. If you have a padlock in the locking tab on the rear edge
of the chassis, remove it.
WARNING
Installing Options 4-5