Question about Compaq (480082-001) ( 480082-001 ) Power Supply

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T2984 I have an emachines T2984, I shut it down one night. come in the next morning and hit the power button and nothing. I pulled it apart, put another power supply in it, nothing. So then i swapped the front panel thinking that maybe the button had shorted, still nothing. I currently have my volt meter out and am testing things. Any advice would be appreciated!!

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  • Gishmou Apr 04, 2008

    when i put the other power supply in nothing happened... i just pulled apart the original power supply and found what i would call a diode just laying there. Its play says jamicon then 10mewF50V

  • Gishmou Apr 04, 2008

    well thanks for all your help... it is a shame. I work in an office were we have about 10 various emachines. Sounds like i better start buying power supplies for them.

  • brian c
    brian c May 11, 2010

    Yep, thats what they do. They literally pop them right off of the board inside and rattle around.

    There's a very good chance it fried the mainboard too.

    I actually have 4 emachines in the other room with the same problem. I only keep them around for the cases.

    It's shame too, because the system specs aren't all that bad, but because emachines (and gateway brand) uses such cheap power supplies, you're forced to buy a whole new system. Now you know why emachines is going out of business.

    If you plan on re-using any components (memory, hard drived, cd drives, video cards, sound cards), be advised they may be shorted too, and can damage a new mainboard.

  • brian c
    brian c May 11, 2010

    Also, a good indication that the mainboard is fried is if you connect the power supply to AC power, and the fans, etc come on without pushing the front panel power button.

  • brian c
    brian c May 11, 2010

    E-machines are notorious for their power supplies shorting out with no warning, and usually sending a voltage spike to the mainboard.

    When you installed the new supply, are the front panel lights just staying on or flickering?

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To be more specific it is the "A-Power" brand of power supplies that seem to be the culprit. I have had numerous (around 5) go bad, some with disturbing events. The one I had in my wife's machine started get the 'burnt electrical' smell so we quickly shut it off. After letting it cool down, I powered the machine back on and immediately the power supply emmitted a loud POP. Luckily it did not take the main board with it. Another more disturbing one was for a client I support. I received a call that the computer had caught on fire sometime over the weekend, at first I thought they must be over-reacting, but once I got a look at the PC, I was surprised the office was still standing. It had in fact gotten so hot that it had melted through the power supply cord and then shorted out across the mouse and keyboard cables which happened to be in contact with the power cable. There was a large (1 1/2') tall scorch mark on the wall under the desk where all this happened. Had this been sitting in front of a curtain, I have no doubt it would have started a full fledge fire. I went through all other systems I supported or had at hoe and replaced any of the A-Power brand supplies. Since then, no more problems

Posted on Mar 19, 2010

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My husband and I had the same computer.. My husband has a degree in Computers. We turned the computer off one day. Tried to turn it on the next and nothing. The voltages for the power supply is to low on a few of the voltages. It takes out the motherboard and can also take out the power supply.. We got a new power supply and motherboard. The mother board we got the original Seabreeze from partstore.com do to the fact windows will not start without the bias from Gateway. The mother board was $150 and powersupply was $50.. This is a very known problem with the powersupply.. Do a search and you will find alot. Good luck

Posted on Dec 04, 2008

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Thats a good thought. Replace them now before they decide to self-destruct.

Like I said, they aren't "bad" computers. They generally use Intel mainboards, although I've stumbled across some "odd" ones before.

One thing you will notice is the original power supplies don't have cooling fans (some do, and some don't). I think that is what the main problem is with them - heat.

Get yourself basic Antec power supplies (they can range from $30 and up) and you shouldn't have anymore issues.

Posted on Apr 04, 2008

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