Dell Latitude 14 Rugged — 5414 Series Owner's Manual

Before working inside your computer

1. Ensure that you follow the Safety instruction.
2. Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
3. Turn off your computer.
4. If the computer is connected to a docking device (docked) such as the optional Media Base or Battery Slice, undock it.
   CAUTION To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
5. Disconnect all network cables from the computer.
6. Disconnect your computer and all attached devices from their electrical outlets.
7. Turn the computer upside-down on a flat work surface.
   NOTE Ensure to close the display if the system is a laptop. To avoid damaging the system board, remove the main battery before you service the computer.
8. Remove the main battery.
9. Turn the computer top-side up.
   NOTE Open the display if the system is a laptop.
10. Press the power button to ground the system board.
    CAUTION Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.
11. Remove any installed ExpressCards or Smart Cards from the appropriate slots.