Replacing the Master Control Board 83
12
Replacing the Master Control Board
WARNING: 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
1
Follow the procedures in "Before You Begin" on page 13.
2
Remove the computer cover (see "Replacing the Computer Cover" on
page 17).
3
Remove the fan shrouds (see "Removing the Card Slot and Processor Fan
Shrouds" on page 77).
4
Remove the card slot assembly (see "Replacing the Card Slot Fan
Assembly" on page 77).
5
Remove the processor fan assembly (see "Replacing the Processor Fan
Assembly" on page 79).
6
Disconnect all cables from the master control board.
7
Remove three screws that secure the master control panel to the metal
tray.
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