Dell Vostro 320 (Mid 2009) - Manual (Page 34)

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Power Supply
Dell™ Vostro™ 320 Service Manual
Removing the Power Supply
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1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the front panel .
3. Remove the internal panel .
4. Remove the I/O cover .
5. Remove the hinged stand .
6. Remove the optical drive .
7. Remove the back cover .
8. Remove the back metal-shield .
9. Remove the system-board shield .
10. Remove the heat sink .
11. Remove the heat-sink fans .
12. Disconnect the power-supply cable from the system board.
13. Remove the power-supply cable from the routing guides on the computer chassis.
14. Remove the screws that secure the power supply to the computer.
15. Remove the power supply from the computer.
Replacing the Power Supply
To replace the power supply, perform the above steps in reverse order.
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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.