Question about Dell (PS-5251-2DS) (M0148) 250-Watt Power Supply

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I have a Dell PC-5251-2DS power supply. Am getting vertical stripes on the screen and the machine dies. Have a slight burning smell which makes me wonder if its the power supply. Would you concur?

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  • rjkahall Jun 28, 2009

    Thank you Th3_uN1Qu3. The video card was a ATI Radeon 128 MB AGP with heat sink and fan. I tested a subsititution with a a nVIDIA AGP video card and all was well. So removed the ATI drivers and installed a new nVIDIA e-GeForce 6200 256MB AGP and it appears to be working well. Its a 5 year old Dell that did not warrant a high cost solution. Thanks again!

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The burning smell could be coming from the video card. Stripes on the screen indicate faulty video memory, shouldn't have anything to do with the power supply.

Posted on Jun 26, 2009

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Have you checked in the rear of the system box to see if there is any perceptible air movement? The power supply is one of the junkiest parts of any system and the fan is the worst part of the power supply. If the fan blades are impeded by dust bunnies or the bearing has failed (very common), the power supply will fairly quickly overheat and will shut down.

Posted on Jun 26, 2009

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