Installing an additional fan – Dell Precision T3400 (Late 2007) User Manual
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Adding and Replacing Parts
Installing an Additional Fan
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
CAUTION:
To guard against electrical shock, always unplug your computer from
the electrical outlet before opening the cover.
CAUTION:
For configurations with three SAS hard drives, you must install an
additional fan.
NOTICE:
To avoid damage to the drive, do not set it on a hard surface. Instead, set
the drive on a surface, such as a foam pad, that will sufficiently cushion it.
1 Follow the procedures in "Before You Begin" on page 143.
2 Remove the computer cover (see "Removing the Computer Cover" on
NOTICE:
When placing the fan in the computer, ensure that the cables of other
components, such as the power supply, remain in their proper position.
3 Place the fan flush with the side of the power supply and engage the fan
hooks in the three fan slots in the side of the power supply.
4 Slide the fan down until it clicks into place.
5 Connect the fan cable to the fan connector on the system board.