I/O Board 71
16
I/O 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 dell.com/regulatory_compliance.
CAUTION: Only a certified service technician should perform repairs on your
computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (such as a
connector on your computer).
CAUTION: To help prevent damage to the system board, remove the main battery
(see "Removing the Battery" on page 13) before working inside the computer.
Removing the I/O Card
1
Follow the instructions in "Before You Begin" on page 9.
2
Remove the battery. See "Removing the Battery" on page 13.
3
Remove the module cover. See "Removing the Module Cover" on page 15.
4
Remove the memory modules. See "Removing the Memory Module(s)" on
page 17.
5
Remove the hard drive assembly. See "Removing the Hard-Drive
Assembly" on page 21.
6
Remove the keyboard. See "Removing the Keyboard" on page 25.
7
Remove the wireless Mini-Card. See "Removing the Mini-Card" on
page 35.
8
Remove the system board. See "Removing the System Board" on page 59.
9
Disconnect the speaker cable and the thermal-fan cable from the I/O
board.
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