Question about Dell Dimension 2400 Power Supply ** FREE ** Power Supply

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Dimension 2400 can not power on

I have Dell dimension 2400, and using for for a while with no issues, few days before I shutdown the system, when I tried switch on from the frontside switch its not powering on. I have opened the box and cleaned up the dust and I tried. I can see a light on the mother board but no fans are working and having same issue.

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  • Anonymous May 03, 2009

    I have Dell dimension 2400, and using for for a while with no issues, few days before I shutdown the system, when I tried switch on from the frontside switch its not powering on. I have opened the box and cleaned up the dust and I tried. I can see a light on the mother board but no fans are working and having same issue.

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  • Dell Master
  • 2,404 Answers

If you have no power by pressing the front power button and you have verified that the black connector coming from the power switch on the front is connected properly to the motherboard, then make sure that both connectors from the power supply are connected properly, the main connector and the p4 connector. Reseat both of the connectors to be sure.


If you still have no power and still have the light coming up on the motherboard then I think the motherboard may be bad cause that means something is shorting out the motherboard and not allowing power to go thru it properly.

Posted on Mar 08, 2009

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Most likely the power supply has gone bad.
Try unplugging it from the wall and then plugging it in again.
Next, open the box and disconnect all drives (hard drives and CDs).
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Hi,
It not a common problem. The problem that you are facing is is beacuse of faulty motherboard. The blinking amber is caused , becasue the motherboard is not able to distribute the power signal to the devices . You can follow the link below to trouleshoot the problem if you are comfortable in opening the computer chassis

http://tinyurl.com/8mkpnm


Thanks
Proton

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There are several different solutions for this as posted at this Forum.

http://www.tomshardware.com/forum/51352-2-dell-dimension-8400-wont-boot

1) A lot of people have just removed the Jumper for the CMOS and turned the Power back on and back off and replaced the jumper and/or removed the battery.

2) Several people have reseated the Memory and after booting back up it worked.

3) A few had to replace the Mother Board and CPU but in this instance they had to also replace the Case because the Dell case wasn't really fit for the heat of from the CPU.

4) I had the exact same problem and luckily replacing the Power Supply fixed this for me. I had to cut out the back of the Dell case for the toggle on/off switch but when I tested the old Power Supply it was only getting 5amps and this was causing the Amber/Orange/Yellow light to constantly flash.

I hope this helps!

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