Removing The Power Supply - Dell Dimension 4700C Service Manual

4. Remove the external modem connector:
a. Remove the two screws from the fan and lift the fan up and out of the way.
b. Remove the screw from the cable clip located by the external modem connector.
c. To release the modem connector, gently open the tabs on each side of the external clip that holds the external modem connector in place.
d. Lift the modem cable and connector from the computer.
5. To install a new modem cable and external modem connector:
a. Align the external connector with the slot on the back on the computer.
b. Press on each side of the external clip and secure the external modem connector in place.
c. Push on the back of the modem connector to make sure that the external clip completely engages and fits tightly against the back of the
computer.
d. Place the modem cable and ground wire in the cable clip and secure the clip to the computer chassis with the screw.
e. Carefully route the cable and ground wire around the processor making sure that you keep the wires away from any internal parts.
6. Attach the modem cable and ground wire to the modem:
a. Connect the modem cable to the modem.
b. Replace the screw that secures the ground wire to the modem and system board.
7. Align the fan with the holes on the heat sink and replace the two screws.
8. Close the computer cover.
Power Supply

Removing the Power Supply

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Product Information Guide.
1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
3. Follow the procedures in "Before You
4. Disconnect any telephone or telecommunication lines from the computer.
5. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
Begin."