Service Manual

I/O Panel 89
I/O Panel
CAUTION: Before working inside your computer, read the safety information that
shipped with your computer. For additional safety best practices information, see
the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: To guard against electrical shock, always unplug your computer from
the electrical outlet before removing the cover.
NOTICE: The procedure for removing and replacing the I/O panel is identical
(except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the
illustrations provided are for example only and may not represent your particular
computer precisely.
Removing the I/O Panel
NOTE: Note the routing of all cables as you remove them so that you can reroute
them correctly when installing the new I/O panel.
1 Follow the procedures in "Before Working on Your Computer" on page 35.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 47).
3 Remove the bezel (see "Removing the Bezel" on page 51).
4 Disconnect the I/O panel cables from the system board.
5 For the Vostro 220s:
a Remove the chassis support bracket (see "Removing the Chassis
Support Bracket" on page 55).
b Remove any hard drives from the hard drive cage (see "Removing a
Hard Drive" on page 65).
6 Disengage the cables from the metal clip(s), if present, that secure(s) the
cables along the inside of the chassis.
7 Remove the screw that secures the I/O panel to the front panel.
NOTICE: When sliding the I/O panel out of the computer, guide the cables carefully
through the bays, holes, and front-panel opening to prevent damage to the cable
connectors and the cable routing clip(s) (if present).