Removing the Power-Adapter Port | 57Removing the Power-Adapter PortWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before Working InsideYour Computer" on page 7. After working inside your computer, follow theinstructions in "After Working Inside Your Computer" on page 9. For moresafety best practices, see the Regulatory Compliance home page atdell.com/regulatory_compliance.Prerequisites1 Remove the battery. See "Removing the Battery" on page 10.2 Remove the optical-drive assembly. See "Removing the Optical Drive" on page 16.3 Remove the hard-drive assembly. See "Removing the Hard Drive" on page 19.4 Remove the base cover. See "Removing the Base Cover" on page 27.5 Remove the memory module(s). See "Removing the Memory Module(s)" on page 13.6 Remove the keyboard. See "Removing the Keyboard" on page 22.7 Remove the palm rest. See "Removing the Palm Rest" on page 47.8 Remove the wireless mini-card. See "Removing the Wireless Card" on page 32.9 Remove the system board. See "Removing the System Board" on page 41.10 Remove the display assembly. See "Removing the Display Assembly" on page 52.