Dell OptiPlex 7440 All-In-One W11C, Руководство пользователя

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System board
Removing the system board
1. Follow the procedure in Before Working Inside Your Computer .
2. Remove the:
a) stand
b) back cover
c) cable cover
d) speaker cover
e) VESA mount bracket
f) system-board shield
g) memory
h) optical drive
i) hard drive
j) heatsink
k) power-supply unit
l) converter board
m) processor fan
3. Perform the following steps as shown in the illustration:
a) Disconnect the optical-drive cable and hard-drive cable from the connectors on the system board [1].
b) Disconnect the touch pad cable from the connector on the system board [2].
c) Unthread the cable from the retention clips of the computer [3].
4. Perform the following steps as shown in the illustration:
a) Remove the screws that secure the optical-drive cable and hard-drive cable to the system [1].
b) Disconnect the optical-drive cable and hard-drive cable [2].
58 Disassembly and reassembly