Having problems with your E-Machines T2742 PC Desktop ?

My emachines T3828 will not power up. I changed the power supply, but that didn't help. my next suspect was the power switch. I found that the wires wer a little loose. Thinking that the power switch wires were one unit, I pulled them. Imagine my surprise when I saw that they wer actuall three seperate wires, One black and white, One blue and wdhite, and one red and white. I need to know how to reconnect them, and in which order. I also noticed that a green light comes on. I assume this is for t


Answers :

Hello there,

The green light on the motherboard is there to indicate that you are in fact getting power to the board, which is good.

The wires you refer to are in fact the power switch, reset switch, and probably some type of light (power light on the front, or possibly the hard drive access light which is the one that blinks when you are doing something on the computer).

There is some good news and some bad news.

The bad news is that there isn't an easy way for me to know what order they go in since all motherboards are different.

The good news is that you can't hurt anything by plugging them in the wrong order. Usually the little wires will have a plastic end on them that has some sort of label (typically something like POW SW, RES SW, HD ACC, something like this). See if you can locate one that talks about POW or POWER. If they don't have any writing on them that's ok as well, just try one at a time. Plug them in one at a time, trying all three positions, each time you try hit the power button to see if you can get it to come on. You will know right away if there are any fans in the case, they will start spinning once power has been activated.

Obviously the most important one is that power switch, once you have that in place you can leave the other two off if you want, it won't hurt anything at all. To reset your computer just hold down the power switch for about 10 seconds, it will turn off, then turn it back on.

You can also plug in the other two trying both other positions until you see a light lit up on the front of the case (you can even do this while it's running as long as you are careful, those little plastic plugs don't have any electricity whatsoever so there is nothing you can damage, even while it's running, just be careful for moving parts! =) )

Alot of the times there will be writing on the motherboard as well, next to the pins that indicates which pin is which (again it will probably be abbreviated to something like POW SW).

If you are still unable to get it going check out my website at timgrayson.net and give me a call.

Thanks sir,

Tim
Hello!

From left to right, top row:
\015\012[empty] [empty] [PowerSW White] [PowerSW Black] [no pin]

\015\012From left to right, second row:
\015\012[HDDLED Red] [HDDLED White] [empty] [empty] [empty]

\015\012From left to right, bottom row:
\015\012[PwrLED Green] [PwrLED White] [empty]

Hope this would help!
Ryan
Repair Help & Product Troubleshooting for E-Machines T2742 PC Desktop

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