Installing Keyboard Assembly; Palm Rest; Replacing Palm Rest - Dell Latitude 7490 Owner's Manual

2. Tighten the five M2.0 x 2.0 screws to secure the keyboard to the keyboard tray.
3. Install the keyboard assembly.

Installing keyboard assembly

The keyboard and the keyboard tray together are called the keyboard assembly.
NOTE:
The keyboard has multiple snap points on the lattice side which must be pushed down firmly at the snap points in
NOTE:
order to secure and fit it to the replacement keyboard.
1. Align the keyboard assembly with the screw holders on the computer.
2. Tighten the M2.0 x 2.5 screws that secure the keyboard to the chassis.
3. Connect the keyboard cable, USH board cable (optional), keyboard backlight cable, and touchpad cable to the connectors on
the touchpad buttons board.
4. Install the system board.
5. Install the heat sink.
6. Install the WLAN card.
7. Install the WWAN card.
8. Install the PCIe SSD card.
9. Install the memory module.
10. Connect the battery cable to the connector on the system board.
11. Install the base cover.
12. Follow the procedure in

Palm rest

Replacing palm rest

1. Follow the procedure in
2. Remove the:
a. base cover
b. battery
c. memory module
d. PCIe SSD
e. WLAN card
f. WWAN card
g. heat sink assembly
After working inside your
Before working inside your
computer.
computer.
Removing and installing components 47