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Laptop won't power on, Can you help?

Discussion in 'Hardware' started by redstar, Oct 9, 2009.

  1. redstar

    redstar Bit Poster

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    :hhhmmmHi all,

    My friends laptop won't power on and he asked me if i could help but i'm kinda stumped too so i'm hoping someone here can maybe make a suggestion. Thx in advance for any advice given.

    When i press the power on button, the blue power led on the front of the machine flashes 3 times then goes off.
    There is no movement from the fan, hard drive, or any sounds at all. The screen just stays blank too.

    It's a Compaq Presario v6500

    I've tried a good known working charger and cables.
    I've tried a good known replacement battery.
    I've taken out the ram chips one by one and tried swapping them around.
    I've disconnected the wireless card inside.
    I've taken the hard drive out and tested it and it's fine.

    I'm not sure what else I can test before he takes it to a shop and pays a whack of money to get it fixed.
    If you've any suggestions at all then please fire away. Cheers
     
    Certifications: None
  2. Notes_Bloke

    Notes_Bloke Terabyte Poster

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    If you remove the battery and plug the laptop into the mains and press the power button - does it still do the same?

    NB
     
    Certifications: 70-210, 70-215, A+,N+, Security+
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  3. Sparky
    Highly Decorated Member Award

    Sparky Zettabyte Poster Moderator

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    Looks like it could be the system board mate.
     
    Certifications: MSc MCSE MCSA:M MCSA:S MCITP:EA MCTS(x5) Security+ Network+ A+
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  4. Notes_Bloke

    Notes_Bloke Terabyte Poster

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    Also, have you tried removing all the mem chips and powering on?

    NB
     
    Certifications: 70-210, 70-215, A+,N+, Security+
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  5. redstar

    redstar Bit Poster

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    Just tried both suggestions.

    Removing the battery and using the power mains shows up no lights whatsoever when i press the power button.

    Also, removed the mem chips and tried but no difference there either.

    This is a real head scratcher for me.......
     
    Certifications: None
  6. Bluerinse
    Honorary Member

    Bluerinse Exabyte Poster

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    I agree with Sparky.
     
    Certifications: C&G Electronics - MCSA (W2K) MCSE (W2K)
  7. redstar

    redstar Bit Poster

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    Given that this laptop is around 3+years old do any of you feel it's worth getting the board replaced or do you think it's a better idea just to transfer the data on the drive to another machine?

    Given the price of laptops nowadays, i'm thinking a new machine under warranty would probably be the better option here.
     
    Last edited: Oct 12, 2009
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  8. zebulebu

    zebulebu Terabyte Poster

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    Yeps. Replacing the mobo on a laptop is a PITA. If it was less than two years old it would be worth it, but 3 years? Fuhgeddabahdit
     
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  9. greenbrucelee
    Highly Decorated Member Award

    greenbrucelee Zettabyte Poster

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    I agree with Sparky, but this is a long shot have you tried cleaning any dust out with compressed air just incase its a heat related issue?
     
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  10. smoggy333

    smoggy333 Bit Poster

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    Maybe try fresh thermal paste on the processor ???

    Laptops can overheat so easily.
     
    Certifications: MCP, MCTS, MCSA, MCSA:M, MCSE
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