Question about Compaq Presario 5000 PC Desktop

2 Answers

No Power!! I just moved into a new house. Before I left my old one my compaq computer was working fine, but when I tried turning it on at the new house nothing happened. The outlet is good because the monitor and speakers come on just not the tower. On the power supply in the back of the computer tower there is a blinking green light. Other than that nothing happens. I am not sure what model other than a compaq presario and it is about 3 years old.

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  • MSC79 Oct 11, 2007

    There isnt a black switch on the back but there is a little red one that says either 110/220 or 115/220 but I have tried it in both spots.  I am in the US so I think it needs to be in the smaller setting.  But either way that hasnt worked.  The only thing on the back of the power supply is the spot for the plug, the fan, the red switch and the little green flashing light.

  • MSC79 Oct 11, 2007

    So would the bios keep everything from getting power?  And will I lose any of my information on there?

  • MSC79 Oct 11, 2007

    No nothing was spilled on it.  It went from the old place to the car to the new computer desk!  Do you think that the power supply could have just quit working?  I assume that the green light on the back shows that power is atleast making it that far.

  • MSC79 Oct 11, 2007

    I have opened up the tower and tried to make sure everything is connected.  I am by far not a computer tech but I think I have checked if not all most of the connections.  It is still doing the same thing.  Do you know of any main places I need to check out?  I pulled the ram memory out and placed it back in.

  • MSC79 Oct 16, 2007

    I replaced the power supply.  Now the computer has power!!!!  BUT, now there is a corrupt windows config file and I need the original disk to fix the problem.  I dont have the disk so now I am searching for another solution.


    But the new power supply worked and at least the computer turns on!

  • Anonymous Mar 19, 2014

    no picture on screen



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Open up your computer see if anything else came loose or disconnected.  Like the hardrive or memory chips.  I've had this happen to me before, it happens alot during shipping. Something could have come loose.  Let me know if you need help checking this out.

Posted on Oct 11, 2007

  • Anonymous Oct 11, 2007

    I don't know your compaq presario model number, but I did find this link I hope it's helpful


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Double check the switch in the back of the pc on the power supply. If their is a switch, you can try it in both positions. It is possible their is no switch, older compaq's are iffy. The switch will be black. Also check the 110/230 switch. I don't know what country you live in, however you may need to make sure that switch is in the appropriate spot. 110 for USA and 220/230 for UK

Also, try unplugging your pc. Let it set for about 1 minute. Plug it back in and try again.

Posted on Oct 11, 2007

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  • Anonymous Oct 11, 2007

    Yes 115v would be correct. I've seen lots of different numbers on them.

    You can try resetting the bios. I suppose you should try a different outlet as well. I cant imagine an outlet having power issues, but i've seen that before as well.

    To reset the bios, unplug the pc. Remove the cover, and then find the little battery. It should say CR232 on it. It will be about the size of 2 quarters stacked. Take that out, and let the machine set for about 2 minutes. Replace the battery and try again.

    Beyond this a model number would help to find what that flashing green light could mean.

  • Anonymous Oct 11, 2007

    IT should not keep it from booting, however its just a computer ;) No you cannot loose any information from pulling the battery. Anything that would be lost was lost when you unplugged your pc.

    Did you spill anything on or in it? Hate coincidence that something stops working while in transit to a new location...

  • Anonymous Oct 11, 2007

    I agree, its very unlikely the power supply has quit. Did you try another outlet? And the battery?

    Beyond this you will need to either bring it to a professional, or you can try a new PSU if you feel conferable doing so.

    With no "Post" Codes, or other signs of life, your looking at either the PSU or Mainboard. If it was the monitor, you would still get lights, and post codes.

    Just to do a quick overview, before you 'esclate' so to speak.
    Rule out the power outlet (trying a different outlet)
    Rule out a power supply lockup (Removing power and reseting bios)
    After that, your going to have to try a new psu.

  • Anonymous Oct 11, 2007

    If anything was loose your machine should still power up.

    At this point their is a way to check your power supply.
    This will NOT harm your pc, or components if done correctly.
    Remove the power connectors from all the components. You will most likely only have molex connectors and 1 funky much smaller connector for the floppy drive.
    You should also remove the long connector from the main board, and any other connectors to the main board.
    At this point all the cables would be un connected and nothing plugged into the board.

    You can take a paper clip or other metal object, and jump the green wire located in the middle of the 20 or 24 pin connector, with ANY black wire. It may or may not spark. If the psu comes on it is a good sign it works. Some times they will still not work, but it is not common.

    Again at this point your looking at professional help. You have done all the basic steps a home user can do, to verify it isnt a "Oops got ya" simple problem.

    Oh 1 last thing. If it were in my shop, i would remove everything except power. Unplug all the devices, and remove any extra pci component. The only thing plugged in would be
    Power Supply
    Anything else is extra and not needed.



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