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Please help with power supply diagnosis

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  • Power Supplies
  • Light
  • Power
  • Components
Last response: in Components
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January 29, 2010 5:12:00 PM

Dell Demension 2300--When I turn on the power, the fans run and the hard drive activitiy light flickers, but the power light is off and the machine does not boot. The display remains absolutely black--no sign of life.
I have tested the power supply with a multitester and every output of every contact seems to be correct.
Where do I go from here? Thanks!

More about : power supply diagnosis

a b ) Power supply
January 29, 2010 5:43:26 PM

Could be a dead motherboard. You can try a better ps if you have a spare. Ascendtech.us has a dell 2200 board for $14.99 with free shipping. Check the specs carefully to be sure it will work with your cpu and ram.
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January 29, 2010 5:54:14 PM

Hey, thanks for the suggestion and info.! I guess I should have mentioned in my original post that the monitor works perfectly, as does the hard drive, so that narrows it down some. thanks again.
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January 29, 2010 6:53:03 PM

Sounds like the BIOS is Dead. I would junk the system. That system really is not worth fixing. The thing about DELL is the componets they use are not the best. I have owned a few DELL products in the past the Desktops by DELL have never made it to 3 years without dying. The Laptops I've had have been good. I have one that is 8 years old and it still works great.
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January 29, 2010 7:40:54 PM

Thank you for your response--never thought of that! We bought a new Dell desktop at the office about 4 yrs. ago, and it had to have a new motherboard in the first month! On the other hand, I have an Optiplex GX260 at home that still runs like a champ!
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