Service Manual

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5. Gently place the processor in the socket and check to ensure that the processor is positioned correctly.
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6. When the processor is fully seated in the socket, close the processor cover.
Ensure that the securing tab on the processor cover is positioned underneath the center cover latch on the socket.
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7. Pivot the socket release lever back toward the socket and snap it into place beneath the securing tab.
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8. Replace the heat sink assembly (see Installing the Heat Sink Assembly).
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9. Replace the hard drive (see Installing a Hard Drive).
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10. Replace the computer cover (see Replacing the Computer Cover).
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11. Connect your computer and devices to electrical outlets, and then turn them on.
Modem
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Replacing the Modem
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1. Follow the procedures in Before You Begin.
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2. Remove the hard drive (see Removing a Hard Drive).
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3. Remove the existing modem:
a. Remove the modem cable from the RJ11 internal connector.
b. Use a small Phillips screwdriver to remove the two screws securing the modem to the system board, and then set the screws aside.
c. Pull straight up on the attached pull-tab to lift the modem out of its connector on the system board.
d. Remove the modem cable from the modem.
NOTICE: Socket pins are delicate. To avoid damage, ensure that the processor is aligned properly with the socket, and do not use excessive force
when you install the processor.
NOTICE: When you install the heat sink assembly, do not touch the thermal interface to prevent damage to the thermal interface material on the
interface.
NOTICE: If you are not installing a processor upgrade kit from Dell, reuse the original heat sink assembly when you replace the processor. If you
installed a processor replacement kit from Dell, return the original heat sink assembly and processor to Dell in the same package in which your
replacement kit was received.
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: Before you remove or install the modem, make sure to disconnect all telephone and network cables from your computer.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
NOTE: For easier access to the modem, it may be necessary to remove the power cable from the power connector (POWER) on the system board (see
System Board Components).