Dell Latitude 3420 Service Manual page 53

Steps
1. Align and place the system chassis under the hinges of the display assembly.
2. Press the left and right hinges in downward direction toward the palmrest assembly.
3. Install the three (M2.5x6) and two (M2.5x4) screws to secure the display hinges to the palmrest assembly.
4. Connect the display cable to the connector on the system board and close the latch.
5. Route the display cable through the routing guides in the palmrest assembly.
6. Affix the adhesive tape to secures the display cable in place.
Next steps
1. Install the I/O cable.
2. Install the WWAN card
3. Install the WLAN card.
4. Install the M.2 SSD conversion plate
5. Install the M.2 SSD conversion bracket
6. Install the M.2 SSD for systems enabled with 4G LTE.
7. Install the base cover.
8. Exit the service mode
9. Install the SIM card tray
10. Install the microSD-card.
for systems enabled with 4G LTE.
for systems enabled with 4G LTE.
for systems enabled with 4G LTE.
for 4G LTE enabled systems.
Removing and installing components 53