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 Power Supply Unit
Dell Studio One 19/1909 Service Manual
Removing the Power Supply Unit
Replacing the Power Supply Unit
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Removing the Power Supply Unit
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1. Follow the procedures in Before You Begin.
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2. Remove the computer cover (see Removing the Computer Cover).
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3. Remove the shield (see Removing the Shield).
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4. Remove the stand (see Removing the Stand).
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5. Disconnect the power plug cable from the power supply unit.
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6. Disconnect the power supply unit cable from the connector (ATX_POWER1) on the system board.
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7. Remove the four screws that secure the power supply unit to the chassis.
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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