NOTE: The color of your computer and certain components may appear differently
than shown in this document.
To avoid damaging your computer, perform the following steps before you begin
working inside the computer.
1. Ensure that your work surface is flat and clean to prevent the computer
cover from being scratched.
2. Turn off your computer (see
Turning Off Your Computer
).
3. 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.
4. Disconnect all network cables from the computer.
5. Disconnect your computer and all attached devices from their electrical
outlets.
6. Close the display and turn the computer upside-down on a flat work
surface.
NOTE: To avoid damaging the system board, you must remove the main battery
before you service the computer.
7. Remove the main battery.
8. Turn the computer top-side up.
9. Open the display.
10. Press the power button to ground the system board.
CAUTION: To guard against electrical shock, always unplug your computer from the
electrical outlet before opening the display.
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.
Recommended Tools
The procedures in this document may require the following tools:
• Small flat-blade screwdriver
10
Summary of Contents for Latitude E6420
Page 8: ...8 ...
Page 20: ...20 ...
Page 26: ...26 ...
Page 38: ...9 Slide and remove the WLAN card out from its slot on the system board 38 ...
Page 40: ...40 ...
Page 42: ...9 Slide the WWAN card from its connector and remove it from the computer 42 ...
Page 44: ...44 ...
Page 50: ...50 ...
Page 52: ...10 Disconnect the bluetooth cable 52 ...
Page 54: ...54 ...
Page 59: ...9 Remove the tape securing the keyboard cable from the keyboard 10 Unlock the cable holder 59 ...
Page 64: ...64 ...
Page 70: ...13 Remove the Smart Card Reader from the computer 70 ...
Page 72: ...72 ...
Page 74: ...16 Remove the media board from the computer 74 ...
Page 76: ...76 ...
Page 80: ...22 Remove the screws from the video cable holder 23 Remove the video cable holder 80 ...
Page 83: ...29 Slide to unlock system board from the port connectors 30 Remove the system board 83 ...
Page 86: ...23 Unthread the speaker cable 24 Remove the speaker from the system 86 ...
Page 88: ...88 ...
Page 90: ...24 Unthread the video and wireless antenna cables 25 Unthread the modem cable 90 ...
Page 92: ...29 Remove the whole modem cable assembly by pulling it out from the base 92 ...
Page 94: ...94 ...
Page 96: ...22 Remove the I O board from the computer 96 ...
Page 98: ...98 ...
Page 100: ...23 Remove the DC in bracket 24 Remove the DC in cable from the system 100 ...
Page 101: ...25 Push in the DC in trim and remove it from the system 101 ...
Page 105: ...105 ...
Page 109: ...109 ...
Page 116: ...116 ...
Page 118: ...118 ...
Page 128: ...128 ...
Page 144: ...144 ...