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Hardware Thread, Laptop and juice issue in Technical; A lovely teacher apparently poured juice over her laptop during half-term. She proudly told me that she didnt switch it ...
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    witch's Avatar
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    Laptop and juice issue

    A lovely teacher apparently poured juice over her laptop during half-term. She proudly told me that she didnt switch it off but just tipped it up to drain the juice out - but it just went off by itself.
    It has just been handed to me - it is perfectly dry now - has been on the radiator for days (not a hot one!).
    What should I be looking for and/or cleaning before I try and power it up?
    I have opened it up and it isn't sticky or anything anywhere that I can see?

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    X-13's Avatar
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    Quote Originally Posted by witch View Post
    What should I be looking for and/or cleaning before I try and power it up?
    Look for electrical burns and blown capacitors on the motherboard?

    Also, look at the internal connectors [if there are any, it's been a while since I've cracked a laptop open] and make sure nothing has gotten into them.


    Le EDIT: Also, check the screws... The teacher may have opened it up to let it dry out better and inadvertantly disconnected something/made it worse. [I've had a few do that...]
    Last edited by X-13; 25th February 2013 at 11:52 AM.

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    ICTDirect_Dave's Avatar
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    Quote Originally Posted by witch View Post
    A lovely teacher apparently poured juice over her laptop during half-term. She proudly told me that she didnt switch it off but just tipped it up to drain the juice out - but it just went off by itself.
    It has just been handed to me - it is perfectly dry now - has been on the radiator for days (not a hot one!).
    What should I be looking for and/or cleaning before I try and power it up?
    I have opened it up and it isn't sticky or anything anywhere that I can see?
    You checked everything I'd suggested pretty much (and mastered keyboard replacement in the process) let me know if it's worked or if I have to start looking for something suitably horrible to replace it with

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    andrew_91090's Avatar
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    This has happened to me once, a teacher spilt coffee on hers, I took it completely apart and checked it over from top to bottom, made sure of no burnt electrics and made sure the AC port is completely dry.

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    witch's Avatar
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    I checked the motherboard in the end too - being a test engineer I was quite comfy with capacitors and the like. Nothing to see
    So I powered it up...
    The battery charging light comes on but the machine won't switch on.
    I don't think she deserves a new one...the hard drive cover is missing and there are screws missing from the back. There is a missing key, and the whole thing has paint splashes on it.
    So I think I do want something suitably horrible to replace it with. Are you sure you havent any old T60s lying about the place, ICTDirect_Dave ?

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    ICTDirect_Dave's Avatar
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    Quote Originally Posted by witch View Post
    I checked the motherboard in the end too - being a test engineer I was quite comfy with capacitors and the like. Nothing to see
    So I powered it up...
    The battery charging light comes on but the machine won't switch on.
    I don't think she deserves a new one...the hard drive cover is missing and there are screws missing from the back. There is a missing key, and the whole thing has paint splashes on it.
    So I think I do want something suitably horrible to replace it with. Are you sure you havent any old T60s lying about the place, ICTDirect_Dave ?
    No T60s but I do have a couple of X60s in stock. Similar spec to the T60, just smaller (I'm not sure your teacher deserves a full size laptop anymore!)

    I'll PM you the price.

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    witch's Avatar
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    Thanks but she needs a DVD drive for use in class unfortunately.

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    mac_shinobi's Avatar
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    What make n model laptop ? Lenovos here now and when ya get lights but no screen we generally disconnect all power sources ie battery and mains. Take the laptop apart enough to get access to the cmos battery to disconnect that for a min and re-connect and put back together and put battery n mains back in and power on again

    generally this will normally power cycle a few times etc and the screen comes back on at which point we can put date/ time and sata mode back to the correct settings etc. as the mains n battery weren't disconnected asap after the spillage ...... Obviously could of done more damage then you can physically see

    appologies for grammer etc

  9. Thanks to mac_shinobi from:

    witch (25th February 2013)

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    mac_shinobi's Avatar
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    She didn't give it enough juice

    ba dum tish !!

    grab my coat n runs !!

  11. Thanks to mac_shinobi from:

    rad (25th February 2013)

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    Quote Originally Posted by witch View Post
    The battery charging light comes on but the machine won't switch on.
    Last time I saw this symptom (albeit not related to liquid damage afaik) it was faulty memory. Could it be worth checking/cleaning the chips and the contacts?

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    Quote Originally Posted by witch View Post
    I checked the motherboard in the end too - being a test engineer I was quite comfy with capacitors and the like. Nothing to see
    So I powered it up...
    The battery charging light comes on but the machine won't switch on.
    I don't think she deserves a new one...the hard drive cover is missing and there are screws missing from the back. There is a missing key, and the whole thing has paint splashes on it.
    So I think I do want something suitably horrible to replace it with. Are you sure you havent any old T60s lying about the place, ICTDirect_Dave ?
    I think she's possibly deserving of the edu-etch-a-sketch?

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    witch's Avatar
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    Quote Originally Posted by jmak View Post
    Last time I saw this symptom (albeit not related to liquid damage afaik) it was faulty memory. Could it be worth checking/cleaning the chips and the contacts?
    I did do that but I could change the memory just in case.

    It turns out that the paint is actually nail varnish- for goodness sake!!

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    Quote Originally Posted by witch View Post
    It turns out that the paint is actually nail varnish- for goodness sake!!
    I feel your pain, I really do, I used to hate it when people weren't treating their IT equipment with respect and just expect us to fix it and not to be blamed, but this story just keeps getting worse and worse

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    I have done everything recommended and still nothing. I have a T60 at home so I swapped out the memory just in case but it made no difference.
    Still can't see anything - have cleaned all contacts but they look fine. The only evidence of damage is a very sticky hard drive.
    Any other ideas gratefully received - I would LOVE to give her back her own damaged machine!!

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    mac_shinobi's Avatar
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    If you remove the hard drive and optical drive etc can you power it on with battery only or without the battery and with mains only ?

    Not sure on the older models of Lenovo but I know on some of them the power button is apart of the keyboard so if the keyboard is knackered from all the liquid, if you try a different keyboard from the same model of laptop and see if that helps ?

    Otherwise I would guess the motherboards had it and needs replacing.
    Last edited by mac_shinobi; 27th February 2013 at 09:00 AM.

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