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Discussion Starter · #1 ·
I have a HP Pavillion 780c and the power supply fan doesn't work. I bought a 300watt replacement and notice that the original unit has a 3 connector plug, 1 green wire and 2 black wire, that is plugged into the mobo. My replacement unit doesn't have that connector. What is this connector for? And do I need it?
 

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Discussion Starter · #8 ·
I took a picture of it so how do I post the picture? I looked at the mobo and it has PS fan where this connector plugs into so it looks like it's for the fan. But what is a Video connector? I looked on Ebay for the exact replacement and it says that the unit comes with an HP video connector also besides the usual connectors.
 

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the p7 is a floppy drive power plug,some video cards require one of these to be plugged into the video card
a p4 plug is usually the extra power plug to the m/b about half inch sqare with 2 black and 2 yellow wires
 
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