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HP Compaq dx2300 Microtower PC - Removing and Replacing the Power supply

Introduction
This document is provided to assist in removing and replacing the Power supply for the HP Compaq dx2300 Microtower PC.
Minimum skill level
The End-User must possess extensive product-specific knowledge and technical skill on how to service the system, and be familiar with the operating system.
Tools required
Torx-15 screwdriver.
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the Power supply that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
Power supply - 115-230 VAC input, 50-60 Hz, 250 W - PFC (Power Factor Correction)
441390-001 (Modified)
Yes
  note:
For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labelled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labelled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.
Summary of instructions
To view a video demonstrating the procedure for removing the Power supply, click on the link below. Or use the product video listing on the HP Services Media Library then select Power supply from the menu on the upper left hand side of the screen.
Click here to view the Power supply removal video (right-click on the link to open in a new window/tab).
Power supply removal
  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to your product or loss of data.
  2. Disconnect the power cables from all of the drives and the system board, noting their location for reinstallation.
  3. Remove the four Torx-15 screws that secure the power supply to the back of the chassis.
  4. Pull the power supply up to clear the guide tabs on the chassis pan and lift it out of the chassis.
Power supply replacement
  1. Align the power supply with the guide tabs on the chassis pan and push it into place.
  2. Replace the four Torx-15 screws to secure the power supply to the back of the chassis.
  3. Connect the power cables to the drives and system board.

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