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Dell 2400 showing orange light and not working

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  • Dell Master
  • 998 Answers

A steady or Amber (orange) blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.

Posted on Apr 30, 2014

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Posted on Jan 02, 2017

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  • 166 Answers

SOURCE: orange light blinks

I would try another power supply, but first check the capacitors on the motherboard. If you get another Power Supply, Use one that has the same or greater output watts. I keep several old ones around for this purpose. If that does not solve it then you may have a failed motherboard. Failure of motherboards is usually due to breaking capacitors. A few years ago a capacitor company stole the "recipe" for making capacitors from another company and tried to make their own, unfortunately they did not get the ingredients right and the capacitors started breaking after 2-3 years of use. They sold these capacitors at very cheap prices and a lot of computer companies and power supply makers bought them. This is easy to diagnose. Look for capacitors (caps) (they look like little tiny soda cans) on your motherboard (mobo). They should be perfectly flat on top and not bulged or swelling or leaking anything. Be sure to look under the fan shroud also. The dead giveaway will be the fact that you are not getting anything after you change the PSU. There are a few companies that will repair broken capacitor issues. Also if you add a bunch of extra components without upgrading the power supply you can suffer underpowered situations and that can cause internal parts to fail.
To eliminate some other stuff you could remove the memory and disconnect all the power plugs from the drives and then try to start it up. If it does not change the behavior at all (no beeps, no change in flashing lights) then you probably have motherboard issues. Make sure when disconnecting the memory chips (sticks) that you touch the metal on the inside of the case first to discharge static electricity. If it does change the behavior add 1 component or item back at a time to see what you can find out. Post back with what you find. And remember a bad PSU does not always mean no power, just not enough to run the computer. IF you have recently made any hardware changes I would start there first, but it sounds like a bad PSU or MOBO.

Posted on Jun 12, 2009

gammaray1022
  • 30 Answers

SOURCE: my dell dimension 2400 doesn't power on

Hello. If you don't post (ie, complete the BIOS check), one of the first things to try is to reseat all of your memory modules and interface cards. If that doesn't work, the power supply and motherboard itself would likely be the problem, but those are hard to diagnose without taking a computer in to a repair shop.

Your manual can be found online here:

http://support.dell.com/support/edocs/systems/dim2400/en/F75560LRs.pdf

Take a look at page 35, and that should show you some steps in the right direction, hopefully! Thanks!

Posted on Oct 21, 2009

  • 35 Answers

SOURCE: The power light on my dell dimension 2400 is

u have a bad power supply thats what dells are designed to do when the power supply goes bad. The power supply fan maybe spinning but there is an internal error had the same thing happen 2 me on the same computer model hope helps :)

Posted on Feb 27, 2010

harshit_theg
  • 124 Answers

SOURCE: dell dimension 2400 keyboard and mouse and monitor not working

i think its a hardware issue so you should contact to dell care..

Posted on May 05, 2012

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Dell dimension 2400 keyboard and mouse and monitor not working


i think its a hardware issue so you should contact to dell care..

May 05, 2012 | Dell Dimension 2400 PC Desktop

1 Answer

Hello? i need help, none of the lights on the back of the computer (diagnostic lights) all of the are off, the light on the front of my computer is orange, i have a Dell 2400 and im not sure what the...


check here - http://support.dell.com/support/edocs/systems/dim2400/en/sm_en/advtshoo.htm

and here - http://support.dell.com/support/edocs/systems/dim2400/en/F75560LRs.pdf

Sounds like it could be:

1) Power supply - still sending some power but wrong - hence the light on the front
2) Motherboard
3) RAM - take the RAM out and try again - see if it acts differently
4) Hard Drive - sometimes a faulty HD will keep it from booting - as before, unplug and try again.

Hope that helps.
Good Luck

May 27, 2011 | Dell Dimension 2400 PC Desktop

1 Answer

Everything is not working, the monitor light is still orange


If your monitor goes off and your PC is running and monitor display has appeared. The sign of orange light shows that there is a fault in monitor. The solution is that provide the heat or sunshine to monitor for 2 hours and then your monitor work well guaranteed.

Good Luck

Feb 24, 2011 | Dell Dimension 2400 PC Desktop

2 Answers

The power light on my dell dimension 2400 is orange (it is not blinking). The loading light next to it is green. the computer is on but it will not do anything.It wont show the dell logo or anything. What...


You May hev one of two problems, either you towers power suply is broken, or on of the system fans are not working.
Check the power supply fan on boot. If its working check the CPU fan
Regards

Feb 21, 2010 | Dell Dimension 2400 PC Desktop

2 Answers

Put in new memory in a dell 2400 now front


make sure all cables are properly seated inside the case. just the d light being yellow and no other means some other failure occured,

Feb 20, 2010 | Dell Dimension 2400 PC Desktop

1 Answer

My dell dimension 2400 goes on standby automatically.


If the power LED on the Tower is blinking amber, then most likely the power supply in the tower is failing. Replace the power supply.

Dec 31, 2009 | Dell Dimension 2400 PC Desktop

2 Answers

My dell dimension 2400 doesn't power on. The light on the power button flashes orange.


Hello. If you don't post (ie, complete the BIOS check), one of the first things to try is to reseat all of your memory modules and interface cards. If that doesn't work, the power supply and motherboard itself would likely be the problem, but those are hard to diagnose without taking a computer in to a repair shop.

Your manual can be found online here:

http://support.dell.com/support/edocs/systems/dim2400/en/F75560LRs.pdf

Take a look at page 35, and that should show you some steps in the right direction, hopefully! Thanks!

Oct 21, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Dell Dimension 2400 won't turn off but goes off/on


The diagnostic code that you have specified is a memory related issue please try reseating the memory or swapping with a known good compatible memory stick in adverse case it can be the motherboard as you have specified that A & C take turn being yellow and green.
for more instructions please click here to got to a wizard which guides you through the step by step troubleshooting

Feb 19, 2009 | Dell Dimension 2400 PC Desktop

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