Dell Alienware M17x (Mid 2009) - Manual (Page 13)

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CHAPTER 3: COMPARTMENT DOOR
Compartment Door
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.
WARNING: Before performing these procedures, turn off the computer,
disconnect the AC adapter from the electrical outlet and the computer,
disconnect the modem from the wall connector and the computer, and
remove any other external cables from the computer.
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 the back of the computer).
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 help prevent damage to the system board, remove the main
battery (see “Removing the Battery Pack” on page 11) before working
inside the computer.