Dell OptiPlex E1 Reference And Installation Manual page 84

5-2 Dell OptiPlex E1 Managed PC Reference and Installation Guide
In addition, Dell recommends that you periodically review the safety instructions at
the front of this guide.
When you remove an option from its shipping carton, you may find it wrapped in anti-
static packing material designed to protect it from electrostatic damage. Do not
remove the packing material until you are ready to install the option.
To remove the computer cover, follow these steps:
<RXU 3HUVRQDO 6DIHW\ DQG 3URWHFWLRQ RI <RXU (TXLSPHQW
back of
computer
)LJXUH  3DGORFN ,QVWDOOHG
padlock ring
:DUQLQJ IRU