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Laptop powers on but won't boot.

Discussion in 'Hardware' started by jack_matt, Mar 19, 2010.

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  1. jack_matt

    jack_matt Thread Starter

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    Hi,

    I have a 18 month old Sony Vaio Laptop which, last night, decided to give up the ghost.

    When I power it up it turns on, I hear the hard drive come on an the fan start up. I even get a flash or two from the processor light. But then nothing the screens stay black and other than the power light, the fan and the hard drive there are no signs of life.

    Any ideas would be gratefully recieved.

    This is what I have tried so far.

    1) Initially I thought that it was the screen but when I attach it to an external monitor the problem persits. Also if it was just the monitor and the system was booting correctly the NUM and CAPS lock lights would come up eventually, which they don't.

    2)As I can hear hear the disc drive checking for discs I Inserted Vista disc in an attempt to boot from CD. No luck!

    3)Removed battery, left for 20 minutes or so. I then inserted the power cable and held down power button for 1 minute. Apparantly this should initiate a hard reset, although I'm unsure if this is true or not but I thought it was worth a shot at this point.

    4)Now i'm desperate. I open the beast up and check it's not been bathed by one of the kids. I also checked for any obvious signs of damage or cables having worked their way free. All seems fine.

    5) Booted whilst holding function key and F10

    6) Suspended it in a nice hot cup of tea! unfortunatley no finite amounts of improbaility were produced. Nor did it boot up.
     
  2. DaveBurnett

    DaveBurnett Account Closed

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    Did you put sugar in the tea?? and move round one place???

    When it gave up, were there any noises or messages on the screen??
     
  3. jack_matt

    jack_matt Thread Starter

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    Hi Dave,

    Nothing at all. My ife had been using it arlier in the day. When I powered it up nothing happened. It was the most unspectacular computer failure I have ever seen.

    Ant other thoughts?
     
  4. DaveBurnett

    DaveBurnett Account Closed

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    OK.
    Try:
    Take the hard drive out and, if you have the means, test it and put it back.
    Reseat the memory (you did say you opened it up).
     
  5. jack_matt

    jack_matt Thread Starter

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    Hi,

    I've got no way of testing the hardrive, hovever I have reseated the RAM, unfortunatley it's made no difference. As I can't even get into the bios I'm assuming that the problem is occuring prior to the hardrive being inistialised.
     
  6. DaveBurnett

    DaveBurnett Account Closed

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    Did you try reseating the drive.
    By the way, if it is a SATA drive - which it probably is, you can try it in any machine with a spare SATA connector. Laptop SATA drives don't need adapters like the PATA/I|DE ones did.
     
  7. jack_matt

    jack_matt Thread Starter

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    Didn't think to try that, I'll give it a go.

    I'm hoping the drive isn't dead as unfortunalty I never take my own advice and back up regularly.
     
  8. RogueSpear00

    RogueSpear00

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    Considering you've nearly tried everything possible. Remove memory and HDD from system and attempt to boot. Any beeps? If you don't get anything and the results remain the same then it seems most likely that your motherboard has a problem. Is the unit still under warranty?

    If the LCD was out, then you should see HDD activity lights during boot showing the system working yet not displaying.
     
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