Dell OptiPlex 755 - Inside Your Computer; Chassis Intrusion Switch

29 Mini Tower Computer
Inside Your Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide .
CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before removing
the computer cover.
NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables
from the system board.
Chassis Intrusion Switch
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide .
NOTE: The chassis intrusion switch is standard on the ultra small form factor computer but is optional on mini
tower, desktop and small form factor computers; it may not be present on your computer.
1 optical drive 2 disk drive 3 power supply
4 optional chassis-intrusion
switch
5 system board 6 heat sink assembly
7 hard drive
1
3
5
4
7
2
6