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Good day sir, let try to test first the power supply, Unplug the power cord, remove the 20 pin (24 pin for the late model) molex power connector from the motherboard, plug in the power cord, get a 2 to 4 inch jumper wire, short the green wire with any of the red or black wire on the molex 20 pin power plug, the result maybe the following:
you will see the power supply fan turn. you power supply is in good order. replug the power supply, and test again.
you will see the fan turn for a few second then stops. you power supply is selective, and may require a different type of motherboard. Get a new one.
you wont see the fan turn at all. get a new one.
If in case you are with #1. uinplug the power cord and remove all the expansion cards, data cables from the hard disk and cd drives. we are trying to isolate the problem. make sure that the only connected cables on the motherboard are as follows:
20 pin power cable.
4 pin 12 volt power cable (if applicable)
Test the pc once more. plug in the PC. If still the board wont power on. problem with your motherboard. Note:make sure your RAM is good. Hope this helps.
We have repaired many of these systems. The board was damaged when the power supply shorted. You can get replacement motherboards at www.barebonekit.net click on the link on the left side for motherboards and look for Emachine.
Hi, There is no way to test the motherboard without connecting to cpu. You can't test the motherboard until and unless you connect it to the pc. If you want to test the display, audio, graphics you have to connect each device and see. Every motherboard has got a green color light in it. When the power is on the light will glow. Thank you.....
First thing to check here is the connection make sure everything is still properly connected, if after checking it and still no light it only means the motherboard is dead and already needs a replacement, because if the power supply is bad the fan shouldn't spin if its the problem...
Verify that all cables, connectors, components and devices are where they should be and fitted snugly to their mate/counterpart.
It could either be you video or your memory. If your PC has a built-in video then it is in all probability the memory. Either way, try removing and cleaning the gold contacts/pins using a pencil eraser. Thereafter clean the slot(s) where they are inserted using a clean paint brush or a disposable toothbrush. When reseating/re-inserting, pls make sure that you hear an audible click/snapping sound that assures you that the component was placed back in properly. At other times, wiggling the memory (or video card) a bit also helps.
Hope this be of help/idea. Pls post back how things turned up or should you need additional information.
Geeze, after working on hardware for 27 years i love the short circut dummie. Anyway yes, it's the motherboard / yes the green light will still come on on that model and quite a few other models. Dont worry about repairing / i.e. removing components on the motherboard, it's a fruitless endevor but a great way to waste time. A motherboard for that model will cost about 100-150 bucks / easy replacement. It's actually rare for both the power supply and mother board to go out on a tower/mini tower type system. Older laptops had that type of prob. Those emachines were **** for the mostet part. On the other hand Gateway has really gone up in quality and i have been quite impressed with them in the last few years...
Well the say never answer a question with a question, so i will simply post 2 answers.
1. If you built the PC yourself, you may need to look at power requirements for this particular motherboard and perhaps transplant the board into a case with a larger power supply. (ie: 300, 350 watt power supply or better )
2. If this is an older PC and someone else built it for you, you may need to consider that power supply units do burn out in time and may need to be replaced.
The power LED simply means there is power coming to the light itself, but may not be enough to sustain an entire motherboard and components etc. This to me sounds very much like either the power supply is too small or burned out.