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Laptop probs

Discussion in 'Hardware' started by Raffaz, Oct 6, 2006.

  1. Raffaz

    Raffaz Kebab Lover Gold Member

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    hi,
    got a laptop off a mate a few months ago, coz it wouldnt start up. Never really had a chance to look at it but eventually got round to it and i can boot it. Problem is it takes maybe 10 power off/on cycles to boot and then its fine. What do you guys think it is, i cant open it up properly coz of the case design, its definately not the HDD or the RAM or the CPU coz they have been removed and checked and reseated, and checks have been ran Ive reset BIOS aswell coz that can cause problems. I know i probs cant sort it but curious to know what it is. Could it be PSU? Or something loose on mobo that i cant get at? Cheers

    Mick
     
    Certifications: A+, MCP, MCDST, AutoCAD
    WIP: Rennovating my house
  2. Bluerinse
    Honorary Member

    Bluerinse Exabyte Poster

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    Do you see anything on the screen when it fails to boot, any error messages etc?

    Can you hear any sounds like the HDD spinning up, fans spinning, beeps etc?

    Any LEDs lighting up or is it as dead as a dodo?
     
    Certifications: C&G Electronics - MCSA (W2K) MCSE (W2K)
  3. Jakamoko
    Honorary Member

    Jakamoko On the move again ...

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    Got a similar situation with an old laptop I have here. If power is off for more that a few seconds, then rebooting is a nightmare. It appears that the CMOS data is not stored, as the laptop tries to run through BIOS setup every time it needs to reboot.

    I guess it's a mobo battery issue, but not sure - do laptop mobos have CMOS batteries ? Anyway, plugging the machine into the power and leaving for 10-15 always seems to help. Give it a try :)
     
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  4. Bluerinse
    Honorary Member

    Bluerinse Exabyte Poster

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    Yes, it could be a sign that the CMOS battery is weak, or it could be a sign that the system board is sick.

    Or it could be a faulty on/off switch :p

    Without more info, we are still at guessing stage :rolleyes:
     
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  5. wizard

    wizard Petabyte Poster

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    I think it's possessed:

    [​IMG] :twisted:
     
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  6. Stoney

    Stoney Megabyte Poster

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    AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGHHHHHHHHH!!!! :shocked
     
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  7. r.h.lee

    r.h.lee Gigabyte Poster

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    Raffaz,

    What is the make and model of the laptop?
     
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  8. Raffaz

    Raffaz Kebab Lover Gold Member

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    First time it starts it powers off after 5 seconds or so fans etc power up, after that it powers up and stays on but doesnt make it to BIOS, just sits at black screen. Then you power on/off for a bit and it starts. Once you get the BIOS screen on then its fine. No beeps at any time, until it works.

    Mick
     
    Certifications: A+, MCP, MCDST, AutoCAD
    WIP: Rennovating my house
  9. Raffaz

    Raffaz Kebab Lover Gold Member

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    Its a fujitsu siemens amilo d7830, these do apparantly have battery problems, ive tested without battery but still the same.

    Mick
     
    Certifications: A+, MCP, MCDST, AutoCAD
    WIP: Rennovating my house
  10. Bluerinse
    Honorary Member

    Bluerinse Exabyte Poster

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    I'm thinking it could be the battery.

    Does the battery hold charge?
     
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  11. Raffaz

    Raffaz Kebab Lover Gold Member

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    Na it doesnt hold it, but i dont wanna waste the money on another, incase its not that.

    Mick
     
    Certifications: A+, MCP, MCDST, AutoCAD
    WIP: Rennovating my house
  12. Mr.Cheeks

    Mr.Cheeks 1st ever Gold Member! Gold Member

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    when you connect your charger to the laptop does it work fine then?
     
  13. Raffaz

    Raffaz Kebab Lover Gold Member

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    Nah still the same problem, with or without mains connected
     
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  14. Mr.Cheeks

    Mr.Cheeks 1st ever Gold Member! Gold Member

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    have you tried replacing the motherboard battery as previously suggested?
     
  15. Raffaz

    Raffaz Kebab Lover Gold Member

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    That was for someone elses laptop mate.
     
    Certifications: A+, MCP, MCDST, AutoCAD
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  16. Mr.Cheeks

    Mr.Cheeks 1st ever Gold Member! Gold Member

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    hmmm?

     
  17. Bluerinse
    Honorary Member

    Bluerinse Exabyte Poster

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  18. Raffaz

    Raffaz Kebab Lover Gold Member

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    I cant access the mobo, to change battery. But i cant see how it could be the CMOS battery coz i dont lose any settings from it when it boots up. I know the main power battery is totally dead, its always on 0% and charging, but it never actually charges.

    Mick
     
    Certifications: A+, MCP, MCDST, AutoCAD
    WIP: Rennovating my house
  19. Raffaz

    Raffaz Kebab Lover Gold Member

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    Gonna give them a try, gotta wait for account activation first tho.

    Mick
     
    Certifications: A+, MCP, MCDST, AutoCAD
    WIP: Rennovating my house

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