Replacing system fan. I’m replacing a system fan on the Dell, old Dell computer, well it’s not that old. I forget which year it is. I got it from a friend but the system fan isn’t found when you run, when you start it up in the BIOS, so anyways, I’m replacing the thing but it’s not the exact same model I got this fan off of eBay but it’s not exactly the same model, it has three prongs instead of two, but it has a second way that it can connect using the little power connectors like P3 and the P4… listen
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