HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 184
Power Supply, Removing the Power Supply Unit, supply unit. For your safety
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Installing or Replacing Parts and Accessories Power Supply WARNING Power Supply Hewlett-Packard does not support power supply upgrades. This information is provided to help you replace a defective power supply unit. For your safety, only use a power supply provided by HP support services. Removing the Power Supply Unit 1. Turn off the display and shut down the Workstation. Disconnect all power cables and any LAN or telecommunications cables. 2. Remove the Workstation's cover (refer to "Removing the Left Side Cover" on page 145 for instructions). 3. Place your Workstation on its side with the system board facing upwards. 4. Remove all internal power supply connectors. 5. Remove the three screws located on the rear of the chassis that secure the power supply unit in position. 6. Remove the screw located inside the Workstation at the top of the power supply unit. 7. Push the supply unit forward until it is clear of the guide rail and remove it from the chassis. 182 Chapter 10
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