Dell Latitude E7240 Ultrabook Latitude E7240 Owners Manual - Page 28

Installing the System Fan, Removing the System Board

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Installing the System Fan 1. Connect the system-fan cable to the system board. 2. Tighten the screws that secure the system fan to the computer. 3. Align the system fan in its place on the system board. 4. Install: a. display-hinge cover b. palmrest c. keyboard d. keyboard trim e. base cover f. SD card g. battery 5. Follow the procedures in After Working Inside Your Computer. Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. SD card b. battery c. base cover d. mSATA e. keyboard trim f. keyboard g. palmrest h. speaker i. display-hinge cover j. display assembly k. system fan l. heat sink m. I/O cable 3. Perform the following steps as shown in the illustration: a. Lift the I/O latch [1]. b. Remove the I/O cable from the system board [2]. c. Disconnect the I/O cable from system board[3]. d. Disconnect the speaker cable from the system board. e. Remove the screws that secure the system board to the computer. 28

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Installing the System Fan
1.
Connect the system-fan cable to the system board.
2.
Tighten the screws that secure the system fan to the computer.
3.
Align the system fan in its place on the system board.
4.
Install:
a.
display-hinge cover
b.
palmrest
c.
keyboard
d.
keyboard trim
e.
base cover
f.
SD card
g.
battery
5.
Follow the procedures in
After Working Inside Your Computer
.
Removing the System Board
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove:
a.
SD card
b.
battery
c.
base cover
d.
mSATA
e.
keyboard trim
f.
keyboard
g.
palmrest
h.
speaker
i.
display-hinge cover
j.
display assembly
k.
system fan
l.
heat sink
m.
I/O cable
3.
Perform the following steps as shown in the illustration:
a.
Lift the I/O latch [1].
b.
Remove the I/O cable from the system board [2].
c.
Disconnect the I/O cable from system board[3].
d.
Disconnect the speaker cable from the system board.
e.
Remove the screws that secure the system board to the computer.
28