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Old 05-03-2006, 03:08 AM   #1 (permalink)
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Default Old CPU Fan

I've got an old CPU fan that i don't need and i'm wondering if i can get it to work without having to start up the actual PC. Now i'm no expert at this but i tried connecting 2 wires (the plug on the fan has 3 holes) in the right hold (positive and neg) and the fan shuddered for a second but i only used a small matchbox size battery.

I also tried plugging the motherboard into the power provider PSU or whatever and tried to get it to start but it wouldn't prob coz i didn't boot it coz i couldn't.

Is there any other way?? because i could really use a small fan for my other PC just to help out a little.
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Old 05-03-2006, 03:30 AM   #2 (permalink)
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dont tell me you used a 9volt battery

you probably ruined it..
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Old 05-03-2006, 03:36 AM   #3 (permalink)
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Quote:
Originally posted by the general
dont tell me you used a 9volt battery

you probably ruined it..

Why would that ruin it? When the fan is on a controller it goe's any where between 7v and 12v
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Old 05-03-2006, 04:59 AM   #4 (permalink)
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it went every time i connected it to it still does.
i'm n00b at this so yeah.
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Old 05-03-2006, 07:42 AM   #5 (permalink)
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Why not just plug it into the computer you want to use it on, and see if it works? Though don't expect much of an improvement, after all you are trying to use a CPU fan as a case fan, right?

They are made to suck air away from the heatsinc, not cool a case.. so it probally won't help at all. But ohwell, stick it next to a hdd or vga or something.
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Old 05-03-2006, 07:44 AM   #6 (permalink)
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theres nothing to plug it into as i'm trying to use it on a laptop as like a little cooling thingy. i need some kind of external power.
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Old 05-03-2006, 07:48 AM   #7 (permalink)
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if you run it off a battery, the battery isn't going to last extremely long
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Old 05-03-2006, 07:48 AM   #8 (permalink)
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How do you plan to run it if there's nothing to plug it into?
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Old 05-03-2006, 07:48 AM   #9 (permalink)
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yeah i know but what kind of battery? one of those big brick ones? like brick sized ones with the thing on the top? or what

(reply to the guy before this (how am i gonna do it) well i plug the positive power thingy on the fan into a positive of the battery via insulated but cut at the ends wire and then same with neg. it works just dunno what to use (like as in battery)
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Old 05-03-2006, 09:13 AM   #10 (permalink)
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I'm not sure how much a 12V DC transformer would cost, but getting one that plugs into the wall would be a better option IMO. it's a more permanent power source.
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