Question about E-Machines T3025 PC Desktop

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No monitor signal and hard drive not spinning? (eMachines T3025)

The problems are obviously related... I have P6 plugged into the HD...I would need a diagram to check if this is right...I can't seem to find the P4 tho...When I turn the power button on, the fans start up, but the hard drive doesn't spin. I need a wiring diagram anyways, so if anyone has a link, that would be helpful.

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  • 4 more comments 
  • yamancool63 Apr 17, 2009

    Well, I got the HD to spin, but I found out that one of the boot sectors was corrupted, so it stopped about 2/3 into the boot. I was just wondering if the connectors had diff. voltages or current, because sometimes they do.

  • yamancool63 Apr 18, 2009

    Update: BIOS is bad. I need some instructions on which pins to short out for a reset.

  • yamancool63 Apr 19, 2009

    All I see is a Jumper 3 and a jumper 4...

  • yamancool63 Apr 19, 2009

    That would only clear the CMOS, but I tried it and it didn't work anyways.

  • yamancool63 Apr 19, 2009

    How do I flash it if I can't even get to the BIOS screen?

  • yamancool63 Apr 20, 2009

    I got the HD to spin on another system, mind you. I can't get to the BIOS screen, so a boot disk didn't help. I'd love to find the jumpers, tho. I can get the fans to run after I turn on the computer, and my keyboard lights flash, but it stops there.



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  • 298 Answers

Wiring diagram? Usually you just plug in the 4 pin molex connector. If its not spinning the HDD is damaged and needs to be replaced.

Also I can tell you the Wires are Yellow=12v Black=ground RED=5v and orange=3.3v

Posted on Apr 16, 2009

  • 2 more comments 
  • Mike  Petrowsky
    Mike Petrowsky Apr 18, 2009

    jumper 21 its normally near the bios and or battery

  • Mike  Petrowsky
    Mike Petrowsky Apr 19, 2009

    if its a jumper within 1-2" of the bios chip or the battery then that's the one. Or you can unplug it, push the power button to discharge the system and remove the battery.
    Leave it unplugged and the battery out for a few minutes, that can reset it also. Make sure you press the power button on the front to discharge the psu.

  • Mike  Petrowsky
    Mike Petrowsky Apr 19, 2009

    You could also download your bios file and flash it.

  • Mike  Petrowsky
    Mike Petrowsky Apr 19, 2009

    How far can you get this system to boot, first the HDD wasn't spinning, then your got it working but have bad sectors, then the bios is bad. Does the system post at all? If it does post but doesn't read the HDD you can flash it. Normally flashing is done from a floppy drive, but now you can also make a Flash drive/thumbdrive bootable and flash from those also.
    If the system doesnt turn on or even post then I'd say its time for a new board. Or you can purchase a new bios chip with the lastest Bios pre flashed on it from reputable sellers on eBay (I had to do this once before, his personal site was



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