Dell Latitude 3450 Dell Owners Manual - Page 38

Installing the System Board, Removing the Speakers - touchpad not working

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Installing the System Board 1. Install the power connector . 2. Place system board on the computer. 3. Tighten the screw to secure the system board to the computer. 4. Connect the speaker. 5. Connect the LED and touchpad cables. 6. Press the locking tab. 7. Install: a. heatsink b. back cover c. keyboard d. system fan e. WLAN card f. hard drive g. battery h. base cover 8. Follow the procedures in After Working Inside Your computer. Removing the Speakers 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. base cover b. battery c. hard drive d. system fan e. keyboard f. back cover 3. Perform the following steps as shown in the illustration: a. Disconnect the speaker cables [1] 38

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Installing the System Board
1.
Install the power connector .
2.
Place system board on the computer.
3.
Tighten the screw to secure the system board to the computer.
4.
Connect the speaker.
5.
Connect the LED and touchpad cables.
6.
Press the locking tab.
7.
Install:
a.
heatsink
b.
back cover
c.
keyboard
d.
system fan
e.
WLAN card
f.
hard drive
g.
battery
h.
base cover
8.
Follow the procedures in
After Working Inside Your computer
.
Removing the Speakers
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove:
a.
base cover
b.
battery
c.
hard drive
d.
system fan
e.
keyboard
f.
back cover
3.
Perform the following steps as shown in the illustration:
a.
Disconnect the speaker cables [1]
38