Dell™ Latitude™ E6420 XFR Service ManualPage 30NOTICE: The key caps on the keyboard are fragile, easily dislodged, and time-consuming toreplace. Exercise care when removing and handling the keyboard.13.2 Replacing the KeyboardCAUTION: Before you begin any of the procedures in this section, follow the safetyinstructions that shipped with your computer.NOTICE: The key caps on the keyboard are fragile, easily dislodged, and time-consuming toreplace. Exercise care when removing and handling the keyboard.1. Connect the keyboard flex cable to the motherboard connector as shown above.2. Install access door.3. Replace and tighten the seven M2.5x5 mm screws securing the access door to the base assembly.4. Insert keyboard starting with the top edge. Snap keyboard into palmrest working down each side of thekeyboard.5. Install and tighten the four M2x3mm screws along the bottom edge of the keyboard.6. Replace the keyboard cover (see Replacing the Keyboard Cover).7. Turn system upside down and install the two M2x15 mm screws located inside the docking door8. Follow the procedures in After Working on Your Computer.14 GPS Module (Optional)14.1 Removing the GPS ModuleCAUTION: Before you begin any of the procedures in this section, follow the safetyinstructions that shipped with your computer.1. Follow the procedures in Before Working on Your Computer.2. Remove the bottom acess panel (see Removing the Bottom Access Panel).3. Disconnect the green antenna cable from the GPS module.