Dell Latitude 3440 Owners Manual - Page 27

Installing the System Board, Removing the Heatsink Assembly

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Installing the System Board 1. Align the system board in its place on the computer. 2. Tighten the screw to secure the system board to the computer. 3. Connect the following cables: a) display b) DC-In Port c) speaker d) I/O board 4. Affix the tape to secure the display cable to the system board. 5. Install: a) coin-cell battery b) palmrest c) keyboard d) optical drive e) hard drive f) memory module g) WLAN card h) access panel i) SD card j) battery 6. Follow the procedures in After Working Inside Your Computer. Removing the Heatsink Assembly 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) battery b) SD card c) access panel d) memory module e) WLAN card f) hard drive g) optical drive h) keyboard i) palmrest j) system board 3. Flip the system board and place it on a flat surface. 4. Disconnect fan cable and remove the screws that secure the heatsink assembly to the system board. Lift the heatsink assembly from the system board. 27

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Installing the System Board
1.
Align the system board in its place on the computer.
2.
Tighten the screw to secure the system board to the computer.
3.
Connect the following cables:
a)
display
b)
DC-In Port
c)
speaker
d)
I/O board
4.
Affix the tape to secure the display cable to the system board.
5.
Install:
a)
coin-cell battery
b)
palmrest
c)
keyboard
d)
optical drive
e)
hard drive
f)
memory module
g)
WLAN card
h)
access panel
i)
SD card
j)
battery
6.
Follow the procedures in
After Working Inside Your Computer
.
Removing the Heatsink Assembly
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove:
a)
battery
b)
SD card
c)
access panel
d)
memory module
e)
WLAN card
f)
hard drive
g)
optical drive
h)
keyboard
i)
palmrest
j)
system board
3.
Flip the system board and place it on a flat surface.
4.
Disconnect fan cable and remove the screws that secure the heatsink assembly to the system board. Lift the
heatsink assembly from the system board.
27