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Acer eMachines E528 white screen after replacement.

Discussion in 'Hardware' started by lexhus, Oct 31, 2013.

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  1. lexhus

    lexhus Thread Starter

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    Hello.

    A few months back, my mothers cat knocked her laptop on the floor, cracking the screen.

    Now i bought a new screen for the laptop, replaced it, and when i turned it on it was completely white. Right after power on.

    At first i thought it was an incompatible screen, but the people i bought it from assured me it was the correct screen for my laptop.

    I then thought it was the cable, so i bought a new one, the screen is still white.

    It's NOT the screen.
    It's NOT the flex cable.

    I'm completely lost.. I've tried everything, even in the bios settings.

    Everything is completely fine when i hook the laptop up to an external monitor, so it's not the GPU.

    I've also checked the connections countless times, they're fine.

    I noticed a burnt-looking resistor or whatever it is on the motherboard when i disassembled the laptop, I'll add photos of that.

    PLEASE if anyone has any idea what could be wrong, tell me.

    I will greatly appreciate the help.

    Also, what are DIP switches? I've read about them but can't find any on my mobo which, i think, MBEDX06002.

    The burnt thing is highlighted in a very thin lined red square in the photos, it's that thin so i don't block anything.
     

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  2. captainron276

    captainron276

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  3. lexhus

    lexhus Thread Starter

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    That's exactly where I've read about them.
     
  4. lexhus

    lexhus Thread Starter

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    Could there be a simple setting I could have missed?
    Because apart from that burnt thing on the mobo and the white screen everything is working perfectly fine.
     
  5. captainron276

    captainron276

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    My guess is that the burnt thing is the problem and replacing the motherboard would probably take care of it; but not 100% sure on that. Do you have a local Ma & Pa computer store you could take it to for an evaluation?
     
  6. lexhus

    lexhus Thread Starter

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    I've taken it to a couple of technicians.
    Both had no idea.
    Some technicians..
     
  7. captainron276

    captainron276

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  8. captainron276

    captainron276

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  9. lexhus

    lexhus Thread Starter

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    The laptop is less than a year old..
    I want to be sure it's the little burned thing that's at fault before i spend money on a new motherboard, but i can't find any data sheets of my motherboard in order to make sure the burned thing is responsible for the LCD.
     
  10. managed

    managed Trusted Advisor Spam Fighter

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    A white screen can be caused by a bad connection.

    Double check you fitted the screen and it's cable correctly, also check that the thin ribbon cables behind the screen are undamaged.

    If the new screen and connector are working properly the only thing left is the motherboard and unless you can identify and replace the burnt component (which looks like a 6 pin IC) your only option is to replace the motherboard. I would look on Ebay but make sure you get exactly the same one, there will be identifying info on the board itself.
     
  11. lexhus

    lexhus Thread Starter

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    What about simply replacing the burnt part itself?
    Would it be possible to find one of them to buy?
    I could solder it into place pretty easily if that would help.
    But i don't know how to even look for it, since i don't know what it's called.
     
  12. managed

    managed Trusted Advisor Spam Fighter

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    First you will have to identify the part.

    I don't think you will find a circuit diagram or a high enough resolution picture of the motherboard online.
    You might be able to buy a circuit diagram or service manual or someone with the same laptop might be willing to dismantle there's and have a look.

    But even then there could be other damage to the motherboard that isn't so obvious.

    I think your best bet is a used motherboard from Ebay.
     
  13. lexhus

    lexhus Thread Starter

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    I have a second laptop.
    It had a lot of problems with several components so its just laying there.
    I found several 6-pins on it.
    Do you think i could simply take one off of the other laptop, and solder it onto the one im trying to fix?
     
  14. gberger

    gberger

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    Of course you could. But you are asking the wrong question.
    The first correct question is - would it work? Most likely no, unless you were phenomenally lucky and they happened to be the same part and there was no other damage to the MB.
    Second correct question - what bad things could happen? Everything.
     
  15. prunejuice

    prunejuice

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    No warranty?

    Surely the machine had at least a 1 year warranty from the manufacturer...
     
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