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dead pc

Discussion in 'Hardware' started by anfieldmods, Apr 28, 2010.

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  1. anfieldmods

    anfieldmods Thread Starter

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    hi all im having some trouble with my kids pc.A couple of days ago the pc took ages to turn on.When the power button was pressed the fan would spin for a split second then stop and so on until eventually it came on.I assumed it was the psu so i swapped it with another and it still never worked.The psu worked in the other pc.Now all im getting is the green led on the mobo and nothing else.ive tried it with a minimal set up ie video memory and still no go ive tried the screwdriver over the power pins and no and ive tried a new power lead.so is it poss mobo fried dont know how as its been fine with no crashes or surges I have tried my fan in another pc and its fine.
    intel board
    2gb ram
    2.8ghz
    and a green led lol.
    I f the hard drive is faulty the fan on the cpu would still all come on wouldnt it as mine is totally dead other than the green led.
    its doing my head in now what to replace any help would be cool thanx
     
  2. Alex Ethridge

    Alex Ethridge

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    Disconnect everything that is disconnectable from the main board. Remove all add-in cards from the main board, except video. Disconnect all hard disks and optical drives. Disconnect all USB devices. See if it powers up. If not, you have eliminated all except memory, processor and main board. It has to be one of those three.

    If the board has more than one memory chip, try them one at a time. If no go, you are now down to main board and processor.

    Let us know your result.
     
  3. anfieldmods

    anfieldmods Thread Starter

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    done that and no power up still
     
  4. anfieldmods

    anfieldmods Thread Starter

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    [​IMG]
    would this point to a dodgy mobo notice the colour difference on the 2 parts
     
  5. Alex Ethridge

    Alex Ethridge

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    Then you are down to the processor and the main board. The only thing left is to determine which it is. But, most users and many shops don't have a substitute processor.

    I assume this is a P4 system and it may be time for an upgrade, anyway. You might want to look at a new computer or maybe at least a replacement board, processor and cooler. If this is a big-name system, you may have to figure in the cost of a new copy of Windows unless you get an exact replacement board.

    As for the different colors, it might indicate what you suspect.
     
  6. Alex Ethridge

    Alex Ethridge

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  7. anfieldmods

    anfieldmods Thread Starter

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    its just a kids pc but it was relatively fast for them i think its a new board needed really not worth soldering and bodging cheers
     
  8. nancy0123

    nancy0123

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    You must reconnect the complete system, might be you did some mistake in connectivity.
     
  9. anfieldmods

    anfieldmods Thread Starter

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    not really applicable as the issue was before it was stripped down for a bench check
     
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