Adding and Replacing Parts 1919 Disconnect the pen indicator cable from the system board.10 Remove the M2.5 x 5-mm screw marked with a silver triangle.11 Remove the system board from the base, lifting from right to left, and setthe system board aside.Installing the System Board1 Seat the system board into the base from left to right.2 Tighten the M2.5 x 5-mm screw into the screw hole marked with a silvertriangle on the system board.3 Connect the pen indicator cable to the system board.4 Connect the wireless switch cable to the system board.5 Replace the speaker module:a Lower the speaker into the base.b Connect the speaker cable to the speaker system board connector.6 Install the palm rest (see "Installing the Palm Rest" on page 189).7 Install any Mini-Cards (see "Installing a Mini-Card" on page 173).8 Install the keyboard (see "Installing the Keyboard" on page 177).9 Install the display assembly (see "Installing the Display Assembly" onpage 182).10 Install the hinge cover (see "Installing the Hinge Cover" on page 175).FanCAUTION: Before performing the following procedures, follow the safetyinstructions in yourProduct Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wristgrounding strap or by periodically touching a connector on the back panel of theTablet-PC.NOTICE: To avoid damaging the system board, you must remove the main batterybefore you begin working inside the Tablet-PC.Removing the Fan1 Follow the procedures in "Before You Begin" on page 155.
