Dell Latitude 7280 Owners Manual - Page 39

Installing system board, Keyboard assembly, Removing keyboard assembly

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Installing system board 1. Place the USB Type-C port along with the bracket in the slot on the system board. 2. Affix the tape to secure the Type-C bracket. 3. Flip the system board and tighten the M2 x 3 screws to secure the USB type-C port to the system board. 4. Align the system board with the screw holders on the computer. 5. Tighten the M2 x 3 screws to secure the system board to the computer. 6. Connect the speaker, power connector, LED board, touchpad, and USH cables to the connectors on the system board. 7. Connect the eDP cable to the connector on the system board. 8. Place the metal bracket over the eDP cable and tighten the M2.0 x 3.0screw to secure it. 9. Remove the metal bracket from the memory module connectors of the system board that was removed. 10. Place the metal bracket over the memory module connectors and tighten the M2 x 3 screws to secure it to the computer. NOTE: If your computer has a WWAN card, then SIM card tray installation is a requirement. 11. Install the: a. coin cell battery b. heat sink c. WLAN card d. WWAN card e. SSD card f. memory module g. speaker h. battery i. base cover 12. Follow the procedure in After working inside your computer. Keyboard assembly Removing keyboard assembly NOTE: The keyboard and the keyboard tray together are called the keyboard assembly. 1. Follow the procedure in Before working inside your computer. 2. Remove: a. base cover b. battery c. memory module d. PCIe SSD Disassembly and reassembly 39

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Installing system board
1.
Place the USB Type-C port along with the bracket in the slot on the system board.
2.
Affix the tape to secure the Type-C bracket.
3.
Flip the system board and tighten the M2 x 3 screws to secure the USB type-C port to the system board.
4.
Align the system board with the screw holders on the computer.
5.
Tighten the M2 x 3 screws to secure the system board to the computer.
6.
Connect the speaker, power connector, LED board, touchpad, and USH cables to the connectors on the system board.
7.
Connect the eDP cable to the connector on the system board.
8.
Place the metal bracket over the eDP cable and tighten the M2.0 x 3.0screw to secure it.
9.
Remove the metal bracket from the memory module connectors of the system board that was removed.
10.
Place the metal bracket over the memory module connectors and tighten the M2 x 3 screws to secure it to the computer.
NOTE:
If your computer has a WWAN card, then SIM card tray installation is a requirement.
11.
Install the:
a.
coin cell battery
b.
heat sink
c.
WLAN card
d.
WWAN card
e.
SSD card
f.
memory module
g.
speaker
h.
battery
i.
base cover
12.
Follow the procedure in
After working inside your computer
.
Keyboard assembly
Removing keyboard assembly
NOTE:
The keyboard and the keyboard tray together are called the keyboard assembly.
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove:
a.
base cover
b.
battery
c.
memory module
d.
PCIe SSD
Disassembly and reassembly
39