how to slow down the CPU fan on a desktop motherboard?

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sdowney717

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The fan runs about 4700 rpm all the time.
The fan is slightly out of balance so a small vibration can be felt.

How can I slow it down?
Board is S8875WP1-e
 

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Go into the bios and see if their are any options to change the fan speed.
 

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You might want to consider replacing the heatsink/fan assembly. You mention a vibration-this is a warning that the fan will fail at some point. There are a number of choices available depending on what CPU you have. Fan speed control sometimes requires a 4 wire connector to the motherboard.

Good luck
 

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I went into bios and it is set to slowdown if needed.
However, it is cool enough not to run so fast.

I looked at speedfan and can not comprehend the program.

The vibration is slightly annoying, and I dont like it vibrating the board.
Put your finger in it and you can feel the vibration.
A regular 3 pin connector for fan. CPU is a 478 pentium 4
 

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Check it, find out why it`s vibrating, did something come loose, a hold down pin or screw ? Or is it the fan itself ? If you nee a new fan you could try here.

http://www.tigerdirect.com/

or if it`s proprietary you will have to order it from your pc maker.
 

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Windows 10 Pro x64Intel Core i7 6700KGSkill TridentZ RGB 16GB 3600 16-16-16-36EVGA GTX 980 Ti SC x2
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PC/Desktop
Computer Manufacturer/Model Number
Skylake Special #666
OS
Windows 10 Pro x64
CPU
Intel Core i7 6700K
Motherboard
Asus Sabertooth Z170 Mark 1
Memory
GSkill TridentZ RGB 16GB 3600 16-16-16-36
Graphics Card(s)
EVGA GTX 980 Ti SC x2
Sound Card
Realtek High Definition
Monitor(s) Displays
AOC G2460PG
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1920 x 1080 144Hz
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Samsung 860 Pro 256GB, Seagate Barracuda 4TB x2
PSU
EVGA 1000 P2, EVGA White Custom Braided Cables
Case
Corsair Vengeance C70 Gunmetal Black
Cooling
Corsair H100i v2, Corsair ML120 x2, Thermal Grizzly Kryonaut
Keyboard
Logitech G910 Orion Spectrum
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Logitech G700s
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Verizon Fios Quantum Gateway 75/75
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Windows Defender, Malwarebytes Free 3.8.3
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Chrome
Other Info
Corsair SP120 x4, LG Blu-ray Drive, Durabrand HT-395 100 Watt Dolby Digital Amp, Corsair H2100 Wireless 7.1 Headset
I would start by cleaning the entire intake and exhaust fans if so installed and then clean the fan and fins on the CPU cooler and any other system fans and any GPU card if any. Then report back and let us know if the sound and vibration continues. As previously mentioned check for all mobo screws and the CPU mount for tightness, check any other attached items hard drives and the like for secure mounting. Clean with compressed air and a small paint brush and get all dust off and out of case and off fans !
 

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A blend of brains, brawn and dumb luck.
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jc836 said:
You might want to consider replacing the heatsink/fan assembly. You mention a vibration-this is a warning that the fan will fail at some point. There are a number of choices available depending on what CPU you have. Fan speed control sometimes requires a 4 wire connector to the motherboard.

Good luck
Click to expand...

man when you talk to me again! please help me! :(
 

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win 7 ultimate x64 sp1i5 3450 quad core 3.1 gh8 gb ddr3geforce nvidia 250 gts
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unknown
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win 7 ultimate x64 sp1
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i5 3450 quad core 3.1 gh
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1 tb
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:confused:
 

My Computer My Computer

At a glance

Windows 7 Ultimate 64i7 3770k OC'd 4.6 @ 1.17v, also FX 8120 & i5 ...32 gb G.Skill Sniper DDR3 10-12-12-31 @ 2133XFX Radeon 7870 2GB DDR5
Computer type
PC/Desktop
Computer Manufacturer/Model Number
A blend of brains, brawn and dumb luck.
OS
Windows 7 Ultimate 64
CPU
i7 3770k OC'd 4.6 @ 1.17v, also FX 8120 & i5 miniITX
Motherboard
MSI P67A-GD80 b3
Memory
32 gb G.Skill Sniper DDR3 10-12-12-31 @ 2133
Graphics Card(s)
XFX Radeon 7870 2GB DDR5
Sound Card
Sound Blaster Z Series Card
Monitor(s) Displays
(2) LG LED 23" 1920 x 1080 2ms Monitors via mini d-port
Screen Resolution
1680 X 1050 p
Hard Drives
Samsung 256 gb 830 SSD sata III
(1) 1 tb WD Black
(2) 1 tb Hitachi deskmates/sata II
(2) 1 tb WD green/sata II
(2) 3 tb Seagate Barracuda
(1) 120 gb OCZ Vertex SS
(1) Drobo 5N w/5 Seagate 3tb
PSU
EVGA modular 1000G2 80% gold rating & APC 1200 RS
Case
CoolerMaster Storm Styker
Cooling
7 case fans 140mm & 120mm, NZXT Kraken X60
Keyboard
(2) Logitech Illuminated Keyboards (1) usb (1) wireless
Mouse
Logitech G700 & T-BC21 - nano nx for the laptop
Internet Speed
Basic 120mbps down
Antivirus
Trend Micro Titanium Max Security & Malwarebytes Premium
Browser
Chrome and IE 10
Other Info
5 Noctua case fans + 3 Noctua in p/p on NZXT cooler
Integrated hot swap drive bays for 2.5" Drives
(2) Lite-on dvd/cd/Blu Ray optical 22X
Integrated fan controller and led on/off
HP Officejet Pro 8630 all-n-one
Hot-swappable 3.5" hard drive bay
Netgear Nighthawk router
Asus USB 3 & sata 6 PCIe card
Vantec IDE to sata adptr./Ultra sata adptr
Lenovo L420 i5 lappy with m sata
Drobo 5N advanced NAS
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