Dell XPS 8900 - Removing the Top I;O-Panel; Prerequisites; Procedure

Removing the top I/O-panel
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in Before
working inside your computer. After working inside your computer, follow
the instructions in After working inside your computer. For more safety best
practices, see the Regulatory Compliance home page at
www.dell.com/
regulatory_compliance.
Prerequisites
1 Remove the computer cover.
2 Remove the front bezel.
3 Remove the top cover.
Procedure
1 Disconnect the top I/O-panel cables from the system board. For more
information, see "System-board components”.
2 Note the I/O-panel cables routing and remove them from the routing guides on
the chassis.
3 Remove the screws that secure the top I/O-panel to the top panel.
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