Rear Input-Output Board; Removing The Rear I-O Board - Dell Latitude 7424 Rugged Extreme Service Manual

4. Install the:
a. Docking port assembly
b. PCIe Heatsink assembly
c. WWAN card
d. WLAN card
e. Bottom chassis cover
f. Batteries
5. Follow the procedure in

Rear Input-Output Board

Removing the Rear I-O board

1. Follow the procedure in
NOTE: A 5 mm socket wrench should be used to remove/install the caps screws located in rear I/O space.
2. Remove the:
a. Batteries
b. WLAN card
c. WWAN card
d. PCIe heatsink fan assembly
e. Docking port assembly
f. Bottom chassis Cover
CAUTION: The following epoxy screw locations will require additional focus. These screws are difficult
to remove and there may be damage during the removal process. To prevent damage to the screws and
surrounding plastics, please use the correct screwdriver for each screw type.
3. Open the rear I/O door [1] and remove the two 5.5 mm epoxy cap screws on the serial port [2].
After working inside your
Before working inside your
computer.
computer.
Removing and installing components 93