48 | Removing the Hard-Drive Interposer BoardRemoving the Hard-Drive Interposer BoardWARNING: Before working inside your computer, read the safety information thatshipped with your computer and follow the steps in "Before Working Inside YourComputer" on page 9. After working inside your computer, follow the instructionsin "After Working Inside Your Computer" on page 11. For additional safety bestpractices information, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.Prerequisites1 Remove the battery. See "Removing the Battery" on page 12.2 Follow the instructions from step 1 to step 2 in "Removing the Optical Drive" onpage 14.3 Follow the instructions from step 1 to step 3 in "Removing the Hard Drive" onpage 24.4 Remove the base cover. See "Removing the Base Cover" on page 20.5 Remove the keyboard. See "Removing the Keyboard" on page 17.6 Remove the palm rest. See "Removing the Palm Rest" on page 29.7 Remove the wireless mini-card. See "Removing the Wireless Mini-Card" on page 33.8 Follow the instructions from step 1 to step 8 in "Removing the System Board" onpage 38.Procedure1 Remove the screws that secure the hard-drive interposer board to thesystem board.2 Disconnect the hard-drive interposer board from the system board.1 screws (2) 2 hard-drive interposer board12