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where can i buy a power supply for a hp compaq dc7700 computer?

i have tried looking everwhere for this part for my pc cannot find it anywhere.

Public Comments

1. Power supplies for desktop computers are fairly standardized. About all you have to worry about is the physical dimensions, i.e. will the new p.s. fit in the space the old p.s. occupies and what rating you want for the new power supply. It can have the same or greater wattage rating than the old one. Larger is usually better, i.e. better to have more power available than is required. Less strain on the p.s.