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So I go to use my desktop and the thing is shut down, hmm that's not normal. It has power to the LEDs and I tried swapping out the power supply to no avail. It don't matter how many times I mash the switch, or how long I push it, it won't power up. Any Ideas?

Thanks, Chris

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Last Post by ac0mputerguru
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My idea!,motherboard bad ,had one last week doing the same thing ,replaced the motherboard and away it went !

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Yup, Motherboard might be dead. My brother in law was using his, then shut it down, next time he went to use it it would not turn on. On his, it killed the USB mouse and the Keyboard too, everything else is ok though.

We bought one and I replaced it and it's running.

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whats the brand of your system??
if it has lights on the LEDs, this means it has power... you might need to call the manufacturer of your system to find out what the LED lights mean... sometimes it could just be the memory.. the diagnostic LEDs will be the one to tell the tech if it means it has a problem with the memory, motherboard, or hard drive...

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whats the brand of your system??
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the post title says it all EMachine ,i assumed the led refer to were the front case lights ,and yes it could be ram , ram usually causes a beep on startup

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Thanks for the input. Yes when referring to LED's I ment the switch on the front of the case. It lights up but that's all I get. When I hit the switch nothing happens, no beeps, no boops, nada. I'm leaning towards the motherboard, is there a way to double check that? I don't want to buy a replacement and then find out that it isn't the problem.

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is there a way to double check that? I don't want to buy a replacement and then find out that it isn't the problem.

I know what you mean! ,no way i know of except taking it to a good repair shop that has the tools to do so ,Im self taught at computer repair ,I own post cards that are suppose to tell me why the computer will not boot but they really don't work all that good ,only way i know of is the way i do it ,i tried the ram and cpu and harddrive in another tower and they all worked,reset Bios to defaults with jumper pins no difference so i replaced the board with one i had, and wala the computer boots and I reinstall winxp and it goes back to the owner.

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Well, Like I said in my pervious post, brother in law same problem, and his is an emachine too.

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sometimes it could just be the i/o panel card...

please explain ,as far as i know not all computer have i/o panel cards ,if i think its what you are talking about

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my friend had the same issue last week... and when he called tech support, they replaced the i/o card, then it got fixed...im not sure if emachines has one...

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my friend had the same issue last week... and when he called tech support, they replaced the i/o card, then it got fixed...im not sure if emachines has one...

yeah ,i/o card is a general term ,it means input /output ,it could be a video card and nic card a sound card ect ect

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I have an interesting problem like this...I'm not sure how to repair it yet, but I have found a temporary solution: Unplug the small, 4-wire connector that comes from the Power Supply from the logic board. Turn on the machine and let it run for 15 secs or so. Now, you HAVE to unplug the AC cord from the Power Supply...pressing the button seems to have no effect, no matter HOW long I hold it. I reconnect the wire and VOILA! the thing boots like there's no problem. There is no BIOS update available (as of 2008-Jun) and the only card in the machine is the modem that it came with, so I'm gonna replace the CHEAP 120w PS with a beefy one and see if it's the PS.

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