Dell Precision 5520 Owners Manual - Page 23

Installing the Fans

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4. Perform the following steps to remove the right system fan: a) Un-thread the LVDS cable from its restraints [1]. b) Disconnect the fan cable from the system board [2] c) Remove the two M2x4 screws that secure the fan to the computer [3]. d) Lift the fan away from the computer [4]. Installing the Fans 1. Perform the following steps to install the system fan: a) Align the screw holes on the left fan with the screw holes on the palm-rest assembly. b) Connect the left fan cable to the system board. c) Route the display cable through the routing guides on the left fan. d) Replace the four M2x4 screws that secure the left fan to the system board. e) Connect the right fan cable to the system board. f) Route the touch-screen cable through the routing guides on the right fan. g) Adhere the tape that secures the touch-screen cable to the right fan. h) Connect the display cable to the system board. i) Replace the four M2x4 screws that secure the right fan to the system board. 2. Follow the procedures in After Working Inside Your Computer. Disassembly and reassembly 23

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4.
Perform the following steps to remove the right system fan:
a)
Un-thread the LVDS cable from its restraints [1].
b)
Disconnect the fan cable from the system board [2]
c)
Remove the two M2x4 screws that secure the fan to the computer [3].
d)
Lift the fan away from the computer [4].
Installing the Fans
1.
Perform the following steps to install the system fan:
a)
Align the screw holes on the left fan with the screw holes on the palm-rest assembly.
b)
Connect the left fan cable to the system board.
c)
Route the display cable through the routing guides on the left fan.
d)
Replace the four M2x4 screws that secure the left fan to the system board.
e)
Connect the right fan cable to the system board.
f)
Route the touch-screen cable through the routing guides on the right fan.
g)
Adhere the tape that secures the touch-screen cable to the right fan.
h)
Connect the display cable to the system board.
i)
Replace the four M2x4 screws that secure the right fan to the system board.
2.
Follow the procedures in
After Working Inside Your Computer
.
Disassembly and reassembly
23