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  1. #1
    2 Star Lounger
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    On this three year old HP Media Center PC with Vista and 4GB of RAM, it has suddenly decided to power itself off randomly. It give no warning or error messages. Now when I try to boot it displays a screen saying that it can't boo but wants to run recovery. I selected it and it runs 2-3 minutes and shuts off completely. Power light on front is off - total silence. Could it be hardware? Or software? Or a combination? Do power supplies going bad act this way? My intention is to do a total system recovery to new status if I ever get it running. I have tried to boot from the recovery cd's I created when the machine is now and it stills shuts down. The single 500GB hard drive is partitioned to C: and D: with windows on C: and D: is a much smaller recovery partition. Could Windows Vista be corrupted and cause this - but I am not even in Windows when it shuts off. Any suggestions are appreciated.
    Thanks!

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    Super Moderator CLiNT's Avatar
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    Checking to ensure it's not hardware related would be your first order of business;

    Ensure your power cable is fitted to the back of your computer and that the plug is secure in the wall outlet.
    Also ensure that the outlet is not overloaded with other electrical devices.
    Beyond this point would mean physically opening your computer and or removing/replacing devices for the purpose of troubleshooting:
    Ensure that there is no build up of dust and grime in any of the fans and heatsinks, if there is, clean it out with a can of pressurized air.
    Check that your PSU's cables are all conected to their respective components and that nothing is loose or damaged.
    Ensure all cables are snug in their connection points by unplugging and reseating them. This also goes for components like memory
    and GPU card, if one is present.
    Ensure all fans are in good working order and that your CPU is not overheating. Overheating can shut your system down as quickly as you described.
    This could also potentially be a PSU failure, if you could replace it with a spare, it would greatly assist in a process of elimination.

    If you are not comfortable or knowledgable in opening the case and removing/replacing components then take the computer to a trusted/reputable shop.
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    Invest a little time and energy in a well thought out BACKUP regimen and you will have minimal down time, and headache.

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  3. #3
    5 Star Lounger
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    Quote Originally Posted by Paul Hillebrand View Post
    On this three year old HP Media Center PC with Vista and 4GB of RAM, it has suddenly decided to power itself off randomly. It give no warning or error messages. Now when I try to boot it displays a screen saying that it can't boo but wants to run recovery. I selected it and it runs 2-3 minutes and shuts off completely. Power light on front is off - total silence. Could it be hardware? Or software? Or a combination? Do power supplies going bad act this way? My intention is to do a total system recovery to new status if I ever get it running. I have tried to boot from the recovery cd's I created when the machine is now and it stills shuts down. The single 500GB hard drive is partitioned to C: and D: with windows on C: and D: is a much smaller recovery partition. Could Windows Vista be corrupted and cause this - but I am not even in Windows when it shuts off. Any suggestions are appreciated.
    Thanks!
    The problem could be over-temp of CPU. This will cause computer to shut down to protect CPU. Check for dust build up in fans/heat sink fins etc. Also need to be sure the silicon paste between CPU and heat sink is in good condition and replace with new if necessary. Also check all fans are running especially the CPU fan
    It could also be caused by faulty memory stick or incorrectly fitted memory stick.
    Clive

    All typing errors are my own work and subject to patents pending. Except errors by the spell checker. And that has its own patients.

  4. #4
    Plutonium Lounger Medico's Avatar
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    After checking for dust and dirt, check the power supply as well. This does sound like a hardware failure. Heat is the enemy of your PC and it sounds like a heat problem. I would also check all connections to the cooling fans. A fan not working will overheat the device it is designed to cool. A good app for checking tempuratures and voltages is HWMonitor.
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  5. #5
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    I have blown out the dust and all fans are running. I have a Spotmau Powersuite 2008 disk for recovery. When I boot from it the menu displays and the system stay running and while waiting for me to select options. I have used it to rebuild bootmgr and HAL but I can't get to a prompt or menu to run recovery. My point is that I doubt it is hardware since it runs with Powersuite. I have requested thier input and will see what happens. If I ever get into Windows, I check for temps. Thanks!

  6. #6
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    Thanks again for all the suggestions but the repair shop said there were 9 blown capacitors on the motherboard. The Asus board is unique to HP so I guess i'll be computer shopping.

  7. #7
    Super Moderator CLiNT's Avatar
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    Keep the rest of your computer for spare parts, or consider replacing the motherboard yourself???
    DRIVE IMAGING
    Invest a little time and energy in a well thought out BACKUP regimen and you will have minimal down time, and headache.

    Build your own system; get everything you want and nothing you don't.
    Latest Build:
    ASUS X99 Deluxe, Core i7-5960X, Corsair Hydro H100i, Plextor M6e 256GB M.2 SSD, Corsair DOMINATOR Platinum 32GB DDR4@2666, W8.1 64 bit,
    EVGA GTX980, Seasonic PLATINUM-1000W PSU, MountainMods U2-UFO Case, and 7 other internal drives.

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