Dell Studio One 19 (1909, Early 2009) - Manual (Page 30)

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Power Supply Unit
Dell Studio One 19/1909 Service Manual
Removing the Power Supply Unit
Replacing the Power Supply Unit
Removing the Power Supply Unit
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Removing the Computer Cover ).
3. Remove the shield (see Removing the Shield ).
4. Remove the stand (see Removing the Stand ).
5. Disconnect the power plug cable from the power supply unit.
6. Disconnect the power supply unit cable from the connector (ATX_POWER1) on the system board.
7. Remove the four screws that secure the power supply unit to the chassis.
8. Place the power supply unit in a secure location.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
WARNING: To guard against likelihood of electric shock, laceration by moving fan blades or other unexpected injuries, always unplug your
computer from the electrical outlet before removing the computer cover.
WARNING: Ensure that the part number of the replacement power supply unit matches that of the current power supply unit.
CAUTION: Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps
incorrectly could damage your computer. For technical assistance, see the Setup Guide.
1 power supply unit cable 2 screws (4)
3 protective grounding cable screw 4 power plug cable