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Replacing the I/O Board | 101
45
Replacing the I/O Board
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 11. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 13. For additional safety best practices
information, see the Regulatory Compliance Homepage at dell.com/
regulatory_compliance.
Procedure
1 Slide the power-port cable and power-supply light cable through the slot on the
I/O-board bracket.
2 Place the I/O board in the I/O-board bracket and press the securing tabs to secure
the I/O board to the I/O-board bracket.
3 Route the TV-in port cable, infrared-emitter port cable, and the power-supply light
cable through their routing guides and connect the cables to the system board.
4 Connect the power-port cable to the power-supply unit.
5 Align the screw holes on the I/O-board assembly with the screw holes on the
computer base.
6 Press down on the I/O-board assembly to connect the I/O board to the
system board.
NOTE: Ensure that no cables are placed under the I/O-board assembly.
7 Replace the screws that secure the I/O-board assembly to the computer base.
Postrequisites
1 Replace the inner frame. See "Replacing the Inner Frame" on page 97.
2 Replace the system-board shield. See "Replacing the System-Board Shield" on
page 33.
3 Replace the I/O panel. See "Replacing the I/O Panel" on page 93.
4 Replace the trim cover. See "Replacing the Trim Cover" on page 89.
5 Replace the stand. See "Replacing the Stand" on page 49.
6 Replace the back cover. See "Replacing the Back Cover" on page 21.
OM_Book.book Page 101 Friday, April 27, 2012 3:23 PM