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Microprocessor Airflow Shroud
DellPrecision™Workstations450and650User'sGuide
Removing the Microprocessor Airflow Shroud
Installing the Microprocessor Airflow Shroud
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.
3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from electrical outlets, and then press the power button to ground the system board.
5. If you have installed a padlock through the padlock ring on the back panel, remove the padlock.
6. Open the computer cover.
Removing the Microprocessor Airflow Shroud
1. Press the shroud release lever towards the front of the computer.
2. Lift the shroud up to disengage the anchors.
3. Once the shroud has been disengaged from the anchors, unplug the fan cables from their connectors on the system board.
CAUTION: Before you perform this procedure, follow the safety instructions in the System Information Guide.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
CAUTION: Before you perform this procedure, follow the safety instructions in the System Information Guide.
NOTICE: To avoid damaging the fan power cables, do not slide the shroud too quickly.
1
shroud release lever
2
anchor tabs
3
anchor slots