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Windows 7: How to change case fan speed?

02 Jan 2014   #1
kLN93

Windows 7 Home Premium 64bit
 
 
How to change case fan speed?

Hi, I have 5 case fans which are always running at full speed, I don't know why but they're not connected to my PSU, they are connected to the motherboard. I have a Gigabyte 78LMT and I use a few adapters to connect all my fans. I've tried using speedfan but I couldn't figure out how to use it properly. Please help, my computer sounds like a jet engine

PS: Sorry if i've posted this in the wrong section


My System SpecsSystem Spec
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02 Jan 2014   #2
Grego86

Windows 7 Home Premium x64 SP1
 
 

I know in some BIOS settings there is a quiet and cool fan option. Have you checked in there?
My System SpecsSystem Spec
02 Jan 2014   #3
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

My System SpecsSystem Spec
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02 Jan 2014   #4
OvenMaster

Win7 Pro 32bit; Zorin OS 9 Core (in VM)
 
 

Quote   Quote: Originally Posted by kLN93 View Post
Hi, I have 5 case fans which are always running at full speed, I don't know why but they're not connected to my PSU, they are connected to the motherboard. I have a Gigabyte 78LMT and I use a few adapters to connect all my fans. I've tried using speedfan but I couldn't figure out how to use it properly. Please help, my computer sounds like a jet engine

PS: Sorry if i've posted this in the wrong section
I have this same motherboard.There's only one 3-pin case fan connector, and one 4-pin CPU fan connector.
If you've connected all five case fans together to the single 3-pin connector, you need to be careful that you're not pulling too much current through that one connector.

I did find settings in the BIOS for fan control, but they only apply to the CPU fan and are not adjustable for different speeds and temperatures as on other boards. If you want to control CPU fan speeds and temperatures, Gigabyte's EasyTune utility works.
GIGABYTE - Motherboard - Socket AM3+ - GA-78LMT-USB3 (rev. 4.1)
My System SpecsSystem Spec
03 Jan 2014   #5
tinmar49

w7 ult 64 and w7 hp 64 X 2 mint 64 8.1 64 10wtp 64
 
 

Ebay have lots of 3.5 and 5.25 front mounting fan controllers as would all the best pc shops. There are also rear brackets with up to 4 potentiometers if you don't have any room at the front. Just a simple speed control will work, you just slow the fans till the annoying whine disappears. Remember to monitor temps just in case. Check with the side off the case to be sure the fans are actually turning. Investing in top quality fans may pay dividends as they are better designed than most fans which come already fitted to cases.
My System SpecsSystem Spec
04 Jan 2014   #6
madcratebuilder

Win8/8.1,Win7-U64, Vista U64, uncounted Linux distor's
 
 

Quote   Quote: Originally Posted by tinmar49 View Post
Ebay have lots of 3.5 and 5.25 front mounting fan controllers as would all the best pc shops. There are also rear brackets with up to 4 potentiometers if you don't have any room at the front. Just a simple speed control will work, you just slow the fans till the annoying whine disappears. Remember to monitor temps just in case. Check with the side off the case to be sure the fans are actually turning. Investing in top quality fans may pay dividends as they are better designed than most fans which come already fitted to cases.
This is the best solution IMHO, fan controllers run from sub $20 to $250 plus. AeroCool has several digital controllers that are very affordable with fan rpm and temperature readouts. I have the X-Vision in my haf922 and it's been running for almost a year now. I wasn't sure how such a low cost unit would hold up, so far, so good.
My System SpecsSystem Spec
04 Jan 2014   #7
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

I can think of two options.
1. A fan controllers.
2. Quieter fans.
**In line resistors will work to slow the fans down but don't allow you to adjust the fans if need be.
My System SpecsSystem Spec
07 Jan 2014   #8
kLN93

Windows 7 Home Premium 64bit
 
 

Thanks for the response guys, I've just ordered a fan controller from Ebuyer, hopefully this will allow me to adjust the speeds!
My System SpecsSystem Spec
07 Jan 2014   #9
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Should do the trick, let us know how it works out.
My System SpecsSystem Spec
01 Dec 2015   #10
tcmaresh

Windows 7 Home Premium 64-bit
 
 

Quote   Quote: Originally Posted by kLN93 View Post
Hi, I have 5 case fans which are always running at full speed, I don't know why but they're not connected to my PSU, they are connected to the motherboard. I have a Gigabyte 78LMT and I use a few adapters to connect all my fans. I've tried using speedfan but I couldn't figure out how to use it properly. Please help, my computer sounds like a jet engine

PS: Sorry if i've posted this in the wrong section

A 4-pin CPU fan is probably required to take advantage of the speed-control feature. This is the case with the GA-78LMT-USB3 6.0 F2 (Socket M2) motherboard.
My System SpecsSystem Spec
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 How to change case fan speed?




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