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 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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Hello, my emachines e4259 shutts down after boot up., i tried to install another version of vista but itts still stutting down in install program. what can it be?

If it is physically shutting off (like someone yanked the power cord) than it is a power supply

If the computers screen goes black, but the computer still runs, it could be RAM or a motherboard failure

May 24, 2011 | E-Machines eMachines Refurbished EMA...


How to Shutdown or Turn off your Computer Properly

There's nothing wrong with powering your laptop, or desktop, down by clicking the Power button and letting it go into standby, sleep, or hibernate mode, much of the time. On your laptop, usually just tapping the Power Button will perform the same function as the following instructions.
When doing this, click on the 69966d5.jpg symbol just to the right of the Start button. This allows all open windows to be suspended properly, with current data saved. When you startup the next morning, your open programs will still be running in the background. Clicking on your logon will have your right back where you left off.
If you see the same symbol with the exclamation mark 15ca2e0.jpg, click and leave the computer alone, because it will be in the process of installing important updates before shutting down.

Nothing beats a complete "Shut Down" through the Start menu in the lower left-hand corner of your Windows screen. Mouse-over to the far right icon, and click on Shut Down in the popup window. All your open programs will be closed properly, data saved, and memory and cache cleared. This is like going to bed at night with nothing on your mind, sleeping soundly, and waking up refreshed in the morning.

Then, when the computer is powered up the next time, it will be operating at its optimum performance levels without being "bogged" down with excessive leftover garbage from previous sessions. It leaves you with a fresh start-up the next time you are ready to use your computer.

To summarize, tapping the Power button most of the time, and allowing the computer to enter sleep mode, is fine. Occasionally, do a complete Shut Down to clear everything out of memory. Your laptop/desktop will thank

Regards, Bill

on Sep 19, 2010 | Computers & Internet

2 Answers

I have a emachines t2984 i press the power button and doesnt turn on i replaced the power supply with different ones and nothing and the light turns on (power button) but the when i press the button the...

Ok, test the power button pins. First disconnect any power source to the computer. Then, find the power pins on your motherboard (the one that your case's power button connects to. Usually two wires, one red and the other black). Grab a jumper a connect it to those two pins, they usually have the letters "pwr" or "power" printed next to them. Then, once you've done this, with the jumper connected, connect the power cord to your power supply. It should turn on by it self. If it does, then the problem is the power button. If it does not do it, then the problem is the motherboard. Good luck.

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Try holding down the power button for several seconds. This will shut down the PC. You should then be able to reboot the system.

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Emachines are notorious for having faulty power supplies. If your lucky you just need to replace the power supply. I've seen a lot of them where the power supply also fried the motherboard.

Please don't forget to rate this solution.

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I have an emachine T2984 that won't boot. No noise of any kind. I had another emachine T2625 that was working. I took the power supply out of the T2984 (that wouldn't boot) and put it in the T2625 and it...

Power supply sounds fine. If the pc won't power up it could be your motherboard. If the pc is powering up and you get a 'no signal' on your monitor it could be your gpu.

Jan 17, 2009 | E-Machines eMachines Refurbished EMA...

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Pushing the start button and nothing happens on my emachine T2984

I think your power supply has gone bad and will need to be replaced. You can get a 500 watt power supply for about 60 bucks and you can replace it yourself. very easy

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Want shut down

Click Start, then turn off computer, and make sure that your computer is not set to standby or hibernate. This works if you are running Windows XP or Windows 2000. Hope this helps!

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