Question about Compaq Presario 5000 PC Desktop

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Hard drive fan stop working computer stop, yes I have power but but,computer will not tyrn on PC will not power up when I woke up this morning and went to use it the green light on the front was flashing as if it was in standby then when i went to move the mouse the green light continued to flash. Then i checked the back of the computer and the green light was on on the back of the computer. There is a fan and it is not moving. Tried to unhook the main power supply and reconnect and now the green light on the front won't come on at all. There is no response from the power button on the front but the green light on the back of the PC is still on........????? My model number is the Compaq Presario SR 1907 CL it was not listed on the drop down menu underneath here

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  • A Womans Computer Man
    A Womans Computer Man May 11, 2010

    sounds like the power supply needs to be replaced..

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Disconnect the pc, remove the side panel. Use a bright flash light or directional light, carefully remove the cooling fan from the mother board. If there is signifiant dust built up on the fins and inside the fan, I would buy a new fan to replace it. But before buying the fan...have a good, close look at the mother board. If you can see what looks like heat damage then take the pc in to the shop.

Posted on Sep 05, 2009

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Power supply light on or flashes Perform the following steps, in order, until power is restored or it is determined that there is a hardware failure: CAUTION: This product contains components that are easily damaged by ElectroStatic Discharge (ESD). To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface (like a conductive foam pad), and wear an ESD wrist strap that is connected to a grounded surface, like the metal frame of a PC.

  1. Disconnect everything from the computer, including the power cord.
  2. With the power cord disconnected , press the power button on the front of the computer for five seconds. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps. NOTE: If the power supply fan makes an inconsistent grinding sound or stops and starts erratically, replace the power supply
  3. With the power cord removed, flip the red voltage selector switch to the opposite position. Wait about five seconds, and then switch the red voltage selector switch back to its original location. Ensure that the voltage selector switch is on the correct setting, 115V for North America. Performing this step ensures that the voltage switch is engaged and set correctly for your country/region. Figure 4: Voltage selector switch Hard drive fan stop working computer stop - c00517964.jpg Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
  4. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
  5. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it. NOTE: If you find the device that was causing the problem was a surge protector, resetting a breaker or fuse on the surge protector may fix the issue.
  6. Remove all attached devices except for keyboard, mouse, and monitor.
  7. Remove any internal component that was recently added, such as video card, memory, CD, DVD, and hard drives. An added device may take more power than the power supply is rated for. If the problem goes away when the component is removed, the only option is to upgrade the power supply to power supply with a higher wattage rating.
  8. Check the power switch:
    1. With the power cord disconnected, press the power button on the front of the PC. The button should release easily and not stick in the socket.
      • If the button sticks, it should be replaced or serviced.
      • If the power button does not stick and appears to be functioning, continue using these steps.
    2. With the power cord disconnected, remove the case or side panel.
    3. Follow the wires from the power button on the front of the computer to their connection on the motherboard.
    4. Look at the power switch cables connected to the motherboard. If the cable has become disconnected, connect the power switch cable connector to the connector on the motherboard. Figure 5: Power switch connector on Motherboard c00517968.jpg
    5. Replace the side panel, plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.

Posted on Oct 24, 2008

  • Jeff Strader
    Jeff Strader Oct 24, 2008

    Find the defective part:



    1. With the power cord disconnected, remove the case or side panel.

    2. Disconnect all power cable connectors from their connectors on the motherboard and from the back of internal devices (the back of drives). Make sure to label or remember where each cable connects for future reference.

    3. Replace the side panel, plug in the power cord, and examine the light on the back of the power supply:


      • If the LED is on solid and is not flashing, the power supply is probably good and the problem is most likely caused by a defective component (processor, memory, PCI card) or a defective motherboard. Have the computer serviced, or remove the components and replace them, one at a time, to find and replace the defective component.

      • If the LED is still flashing (it should not flash with all connectors removed), plug the power cable into a different power outlet that is known to be good. If the LED still flashes, the power supply should be replaced.

      • If the LED light is now off, plug the power cable into a different power outlet that is known to be good. If the LED stays off, the power supply should be replaced.







      NOTE:
      If an electrical storm or power surge has recently occurred, then it is more likely that the power supply, the modem, or motherboard is damaged and requires replacement. If the power supply was damaged due to power outage or storm, this may not be covered under the "act of nature" policy in the warranty statement. Refer to the warranty statement that came with your computer for more information.

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