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ReBuilding A Dell Dimension 9100

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Posted 22 April 2012 - 04:22 PM

Hi, Yesterday i got a Dell Dimension 9100 for free (Someone was putting it out to the trash and i asked them if i can have it and they gave it to me) it was all torn apart and is missing the Ram,HD and the Fan of the PSU. I don't have ram for it yet but i know it should turn on and beep but it does nothing, i am thinking the PSU is not giving power because the fan is missing but i am not sure?. if i can get it to at lest beep i would be willing to put some money in to it to get it working again, i Do have a multimeter i may be able to test the psu with i just don't know witch pins to test for power? also is there a way to bypass the power switch so i can tell that is what is not making it not turn on? Thanks for your help :)

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#2 dpunisher


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Posted 22 April 2012 - 05:17 PM

Not really a good project, unless you have an identical system, with all the parts you need, within reach. BTX form factor, DDR2 memory etc.

Test power supply- unplug main connector from board, short green to any ground, measure voltage from yellow to any ground, should be near 12V. Those chassis also had issue with the actual power switch. You can unplug it from the motherboard and short the pins together to see if the PSU starts (after you plug the PSU connectors back in to the mobo).

Humble advice, unless you have the parts (RAM/HD/PSU/FAN) available, it just isn't worth putting any money into.

I am a retired Ford tech. Next to Fords, any computer is a piece of cake. (The cake, its not a lie)

3770K @4.5, Corsair H100, GTX780, 16gig Samsung, Obsidian 700 (yes there is a 700)

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