Dell OptiPlex GX260 - Manual (Page 150)

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Microprocessor
Dell™ OptiPlex™ GX260 Systems User's Guide
CAUTION: Before you begin any of the procedures in this section, follow the steps in " CAUTION: Safety
Instructions ."
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
opening the cover.
1. Perform an orderly computer shutdown using the operating system menu.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the
network wall jack.
2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system
board.
4. Open the computer cover.
5. Disconnect the cooling fan power cable from the FAN connector on the system board.
6. Disconnect the power cable from the 12VPOWER connector on the system board.
7. Lift up the airflow shroud.
Airflow Shroud Rotation