3.
Unlock the system housing using the key and open the lower front panel
cover by pressing the button and pulling the cover.
NOTE:
Figure 1-12 Opening the Lower Front Panel Cover
NOTE:
1-16 Owner's Handbook
You cannot open the lower front panel if the system is
locked.
You cannot remove the key after you have unlocked the
housing. You can remove it only when you lock the
housing again.