book.book Page 152 Tuesday, November 27, 2007 10:29 AM

Installing the Processor Fan

1With the fan power cable oriented downward, align the rubber grommets in the fan with the holes in each corner of the processor airflow shroud, then pull the grommets through until they snap into place.

NOTE: Airflow direction and orientation are shown on the side of the fan.

2Replace the processor fan cage into the cage housing (see "Installing the Processor Fan Cage" on page 150).

3Replace the processor airflow shroud (see "Installing the Processor Airflow Shroud Assembly" on page 149).

4Connect the fan cable to the FAN_CPU connector on the system board (see "System Board Components" on page 103).

5Replace the computer cover (see "Replacing the Computer Cover" on page 172).

NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into your computer.

6Connect your computer and devices to electrical outlets, and then turn them on.

Removing the Card Fan

1Follow the procedures in "Before You Begin" on page 99.

2Remove the computer cover (see "Removing the Computer Cover" on page 101).

3Remove any full-length expansion cards (see "Removing a PCI Express Card" on page 121 and "Removing a PCI Card" on page 114).

4Disconnect the fan cable from the FAN_CARD_CAGE connector on the system board (see "System Board Components" on page 103).

5Lift and hold the tab present at the bottom of the fan cage. Pressing the top of the cage slide it towards the back of the system, then gently ease the cage out of the groove.

152

Removing and Installing Parts

Page 152
Image 152
Dell XPS 420 owner manual Installing the Processor Fan, Removing the Card Fan