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Emachines problem... PSU works but comp doesnt turn on

Hi all, i have an older emachines T2672 comp that i'm rebuilding. it went dead a couple weeks ago. it would not respond to any power, so i bought a new power supply with the switch on the back. when i plug it in and turn on the PSU, the fan spins both in the back and on the motherboard. i have a dvd and cd drive (2 drives). when i turn on the PSU, the DVD drive opens, but the cd drive has no response. also, the front button on the computer (the one that turns the comp on) doesnt work. any help would be greatly appreciated. thanks

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  • estradad Aug 22, 2007

    both drives have been there since i got the compter. the motherboard is the same one that came with the comp as well. for the wire set for the start button, are you talking about the Red/white, Black/white, and Green/white wires? that could be it because the pin setup is like this:
    . . . .
    . . . . .
    . . .

    and each wireset covers 2 pins. any advice for how they go would be great. never thought of that as the problem, but it could very easily be it. the power supply that i got is compatible with my computer. AMD with serial ATA ports.

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Hi, I don't want to tell you a color because it could be different than the actual. Look at the front of the computer and trace the wire that goes to the switch and follow it to the mother board. If you have a volt meter you could measure the voltage on the mother board pins. The mother board should also have silk screening that says start or on. On the case there should be a drawing of the mother board you can look there as well. I have another critical question. Do you have a green light on the motherboard? If you do have a green light, you can try wiring the pins together that the switch is wired to. (I do not have a drawing of this mother board so I can't tell you that there are three or two pins) if you cannot start the computer when wiring the pins together than you can try reseting the cmos or replace the onboard battery, emachines have a bad reputation for dieing. If you do not have a green light it maybe gone. The case will accept another ATX motherboard if that is the situation. You can go and buy another motherboard. To save yourself heartache make sure you can reuse your memory and hard drive type IDE (ata) VS Sata. You can go on a real learning experience by not paying close attention to all of your connector types.

Posted on Aug 22, 2007

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Hi, Did you just add the second CD? If you did you may need the driver for the mother board? Make sure the power cord for the cd has voltage plug it into the DVD drive also check the cable make sure red stripe is on the correct side of drive. You can download the driver at http://www.emachines.com/support/product_support.html?cat=Desktops&subcat=T-Series&model=T2672 User guide is there as well. The start button has a pair of wires with a small pin connector on it. This will connect to the motherboard if there is a 3 pin set you might try moving to the other pin. The new power supply also has to provide a start voltage? Your power supply may not be compatible or it may put the voltage on the third pin.

Posted on Aug 22, 2007

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