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2 Dead Power Supplies need to Ressurect Dead Emachine T2792 Help

Discussion in 'Hardware' started by mihmz326, Mar 29, 2007.

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  1. mihmz326

    mihmz326 Thread Starter

    Joined:
    Sep 23, 2003
    Messages:
    10
    :( I'm In a dilemma with An Emachines T2792 I received the pc from a friend whom knows I work on PC's on the side when I plugged it in I found it to be stuck turned on
    The green indicator light was lit like it was turned on, but no signal was stated on the monitor,, then after trying unsuccessfully to press and Depress many times did nothing
    so I unplugged and replugged in the same, so I unplugged again, and messed with button some more then replugged in , nothing no green indicator light then i noticed a soft whistling and clicking sounds from power supply, so I got another brand new power supply {correct power supply} when I plugged tower in it lit the green indicator light on tower then softly went out
    I tried pressing in power button nothing no response.
    Now my question is I am pretty sure I need to buy another power supply now
    But I need some ideas on what to replace to get the pc up and running again??
    would it be the switch???
    or the motherboard????
     
  2. LuckyStrike502

    LuckyStrike502

    Joined:
    Oct 12, 2006
    Messages:
    97
    I had a similar problem with an emachines T2825. When I plugged it in, it automatically came on, and wouldn't turn off unless I unplugged it. It wouldn't POST or anything. After testing everything, I found out that the motherboard was bad. So that would be my guess, is that it could possibly have a bad motherboard.
     
  3. huggabugg

    huggabugg

    Joined:
    Mar 29, 2007
    Messages:
    31
    Is there a special type of motherboard to get, I mean spec wise?
     
  4. GripS

    GripS

    Joined:
    Apr 30, 2005
    Messages:
    2,113
    It would likely have to be the exact same motherboard spec wise in order for the current installation of windows. OEM copy's of windows(one that came with the PC) won't re-install with an off the shelf motherboard in most cases. In order for the current install of windows to work, the replacement motherboard would need to use the same chipset and have nearly identical specs to the old motherboard. Some will say they have got theirs to work with the same install. However, if and when you try and re-install you will be out of luck.

    If you wanted to try and eliminate the power switch as the problem you could try opening the case and unplugging the switch cable (follow the wire from the front of the case leading to the case power switch). Then try jumping the two pins the cable was plugged into with a piece of metal like a small flat head screwdriver. If the system won't boot then I would try a replacement PSU of equal wattage and amp spec(note the sticker on the side of the PS) from a local PC recycle store.

    Might also take a look at the motherboard while your in there. Check the cylinders protruding from the motherboard and make sure the tops aren't popped open and that there aren't any buldges/leaks. These would be the capacitors on the motherboard.
     
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