“I have this computer. My power supply is reading low (outside of normal range) on all legs. +3.3V = 2.959V / +5V = 4.408V / +12V = .192V / -12V = -10.311 / -5V = -3.480 I would also like to add a video card. How do I order the larger power supply?”
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I tried to get a larger power supply for this PC from Best Buy. Online support suggested a model and said it would work in this PC. I went to a Best Buy store and asked a Blue Shirt there if it would work and he told me it would. Both were incorrect. The power supply they recommended did not physically fit and did not have the proper connectors. The ONLY option that I could find is a 500 watt PS ordered directly from HP. The part number is L05757-800 and the description is GNRC PSU 500W ENT17 FR GLD. It was $139 with shipping and tax. The good news is that it fits perfectly, is very quiet, and (although it's impossible to determine this from the HP website) provides the two 6-pin and one 2-pin cables needed for an optional graphics card. You can even use all four screws to attach whereas with the original PS, you can only use three.
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