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teggs11

Exhaust fan (fan2) power connection has died. any suggestions?

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Hello everyone,

 

My exhaust fan power connection (fan2) on my mobo has stopped working. I've tried 2 different fans in the fan2 and fan4 power connections on my mobo and both worked in fan4 but didn't in fan2. Is there any way i can fix it or is it a RMA job? Any comments appreciated.

 

Thanks,

Rich

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lol, yeah that's what i have been doing. it's just annoying. plus the fan2 is the one used in the smart guardian software so it shows as 0000 and i can't control speed/noise through software

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onboard PS pinouts are famous for this, no matter who makes the MB....and the amp/watt draw of the fan has a lot to do with the failure too, i believe .3amp is the max rating............

 

two things, either a reostat bay addon, you control yourself the RPMS, or just wire it to a four pin molex with a 4pin to 3pin converter to start with and bypass the MB pinouts from the get go.

 

baldy

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Using any fan other than the stock AMD one or the chipset on the mother boards is not really a great idea less juce for more inportant things like the CPU and ram. Just do it directly from the PSU or with a controller sunbeam makes a great one for only about 11 bucks from SVC. See angry's stickie. I like the 7 volt trick too it is free and few fans really need all the juce unless you have a Intel or cheap case.

 

You can go into bios and make sure that it is at full juce even at cool temps many fans are just going to have too much draw for the MB though they just are not designed for high output fans. The some fans need a lot of volts to get started.

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I agree with Smoken Joe....but here's some food for thought anyway....

 

My fan on fan2 stops sometimes, but I know why it does this.

 

In the bios i had it set to "turn fan completely off" at like 25c but sometimes in the morning the case is below that temp so the fan does not come on for a while until the computer warms up and 25c is the lowest setting.

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I think there is a SMD fuse on each of the fan headers, as well as the USB headers. It's a little greenish thing, looks like a wider resistor. You could always get a replacement from DigiKey if you are handy at soldering. Or just short a jumper across the broken fuse.... just avoid shorts in the future.

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i'm pretty sure i've set my fans to run no matter what. i'll double check tho. i tried spinning them to get them started too.

as for soldering... lol.

 

thanks for the tips guys. i just hope it's not the surface of a greater problem.

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i'm pretty sure i've set my fans to run no matter what. i'll double check tho. i tried spinning them to get them started too.

as for soldering... lol.

 

thanks for the tips guys. i just hope it's not the surface of a greater problem.

 

 

You might want to let the case temp heat up and check to see if the fan spins...play f.e.a.r. for 10 minutes and see if that works.....heh

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Not a good idea to short out the blown fuse, do you want him to totally blow out his mother board?

 

I've seen it posted on here a million times not to use the fan connections on the motherboard to run your fans. I'm surprised Angry hasn't trashed this thread already.

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