Question about Gateway Emachine Bestec ATX-250-12E PS 250w Replacement Power Supply Part Number P/N 100744 (PSATX25012E) Power Supply

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E-machine wont power up

I have a t2885 e-machine and it power up. I think the problem may be the power supply. Could their be something else that would cause this proble. Also in what order should the power led, and other connectors be in on this machine?

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  • moshesergant May 21, 2009

    E-machine 2885 will not power up. The main switch is not functioning, and the fans at the power supply (ATX-250-12E) or the CPU are not on.
    I have disconnected all connectors to hard drive, CD-R/W and DVD players, but to no avail. The green LED on the mother board is lit on.


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Your power supply is fried. I had the same problem with my Bestec ATX 250 power supply. I fixed the problem by installing the StatTech model: ATXPOWER250. It was easy to install and works well. It is almost identical to the original but more quiet. I got it for $29 at MicroCenter.com. Also at online Newegg.com, Radioshack.com, Provantage.com, June 20,2009

Posted on Jun 20, 2009

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Shut down the system, disconnect every thing you

can possibly disconnect.

Press and hold the power button for 15 seconds.

Reconnect A/C power and try to boot up.

If no change, open case, disconnect all cables to the CD/DVD and hard drives. Reconnect power

and try to turn on again.

If still no go, remove all expansion cards (modem, NIC, video, etc.

Remove and reseat the RAM. If you get no power, remove the RAM and reconnect power to see if you get beeps from the system.

Let me know if you need to go further than this.

Honest1abe

Posted on Feb 11, 2009

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The hard drive and dvd player us the 12volts side.

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I have an E-Machines T2885 that has a green light on the motherboard I did try a different power supply this did not work.


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CASE DISASSEMBLY


first unscrew the cover of the computer, then
i suggest you take out all the connectors, so that you can dettach the power supply easily.remove the screws at the back of the power supply, which is in the back panel of the cpu chassis.
unplug the 24 or 20 pin connector from the cpu and all the power cords that supply the peripherals, take out the power supply and replace with a new one.
Plug the screws, plug the 20 or 24 pin power connector into your motherboard, and supply devices like your hard disk, cd rom by plugging in the power cords.
note, if your computer has a 4pin connector, make sure that you plug it in.

Heres a video tutorial on the step by step process.
http://www.youtube.com/watch?v=Y_Ch2Tdj1fM

hope this will help you out.
Thank you: )

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Need to remove fromt panel from t2885 machine


First of all, disconnect the power cable from the electrical outlet and from the back panel. Then
disconnect any cables connected to the computer.
here is the link to the pdf file (including pictures) of how to remove the face ..
http://downloads.emachines.com/userguides/Desktop_UG_Nexgen2_3_en.pdf
this require adobe reader (free) if you dont have it already. refer to pages 4-7 to 4-11 for the info your looking for.

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no it means its a dead motherboard.

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Wiring diagram for T2885


Give me also model serial number (printed on your motherboard or on seller's receipt).
http://www.dealtime.com/xPF-E-Machines-Desktop-with-Intel-Celeron-Processor-2-8GHz-T2885

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