Question about HP Compaq d530c PC Desktop

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My HP D530C does not power on. The power LED flashes 4 times. What is the fault? Pls let me know asap. Thanks.

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  • Malcolm Bulner Dec 14, 2011

    Thanks for your advice. The power supply fan does not spin, but the LED still flashes 4 times.

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HP xw6200 Workstation - Diagnostic LED Code: Four Flashes ISSUE: When the workstation is powered on, the front LED might flash red four times, once per second, followed by a two second pause. SOLUTION: The front LED flashing four times is a sign of a power failure. To fix this issue, complete the following steps:

  1. Open the access panel, and check to see if the four-wire power supply cable is properly connected to the system board.
  2. There may be a faulty device. Locate it by removing all devices and then reinstalling them one at a time until the workstation fails. Replace the device causing the failure. Continue adding devices to ensure all are functioning properly.
  3. Verify the power supply functionality, as follows:
    1. Disconnect AC power.
    2. Remove all internal power supply cables from the system board.
    3. Plug in AC power.
      • If the power supply fan spins, and the BIST LED illuminates, then the power supply is good. Replace the system board.
      • If the power supply fan does not spin, or the BIST LED does not illuminate, replace the power supply.

Posted on Dec 13, 2011

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Posted on Jan 02, 2017

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