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Air 540 Pulsating humming noise

post #1 of 5
Thread Starter 
Hello,

I have a h110 on top as exhaust and two front fans and one rear fan as intake. So 3 intake and 2 exhaust through H110.

Problem is that there is a faint pulsating low frequence humming noise.

Noise disappears completely when I remove the transparent side panel.

So I guess it has to do with noise cavity? Anyone has any hints of what could be done.

BR AG
post #2 of 5
First step, figure out exactly where it's coming from. Try to isolate the noise by unplugging one fan at a time.
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Jarvis
(26 items)
 
Pepto Pony
(12 items)
 
MrDVR
(15 items)
 
CPUMotherboardGraphicsRAM
AMD FX-8350 @ 4.8Ghz CROSSHAIR V FORMULA-Z MSI GTX 980 Gaming 4g 16Gb G. Skill Ripjaws 4x4 @ 1600 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 PRO 128Gb SSD Intel 160 Gb SSD Intel 250 Gb SSD Generic DVD-RW 
CoolingCoolingCoolingCooling
2 x Noctua (NF-P12-1300 )1300rpm Premium Silent... Alphacool NexXxos UT60 Full Copper Radiator 240 Noctua NF-A6X25 FLX Quiet Computer Cooling Fan ... NZXT Sentry Mesh Fan Controller w/ Five 30 watt... 
CoolingCoolingCoolingCooling
2 x Corsair Air Series SP120   COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing  Monsoon 90° Rotary Angle Fitting - 5/8" - Red Bitspower Dual / Single D5 Top Upgrade Kit 100 ... 
CoolingCoolingCoolingCooling
ModMyToys DreamFlex Premium 3/8" ID Tubing Reta... Coolance Liquid Coolant Bottle, 700mL Fluoresce... Coolance PMP 450 Variable Speed D5 Pump Bitspower D5 Mod Top V2 Pom version 
OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Samsung KS8000 4k UHD 65" Microsoft Wireless Comfort 5000 Keyboard and Mouse SeaSonic M12II 750 
CaseAudio
My TV Stand Cabinet Creative Sound Blaster X-Fi Titanium 
CPUMotherboardGraphicsRAM
FX-4300 Gigabyte GA-78LMT-USB3 EVGA Geforce GTX 260 G.Skill Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Corsair SSD Samsung 7200 Laptop drive Some DVD Burner I took out of a dead Dell. Noctua NH-C12P SE14 
MonitorKeyboardPowerCase
Dell 19" 16:9 Logitec wireless Enermax 650w Apevia X-Cruiser3 Pink 
CPUMotherboardGraphicsRAM
A6-6400K Dual Core MSI A78M-E35 Onboard 4Gb G.Skill Ripjaws 1600Mhz (2 x 2) 
Hard DriveHard DriveOptical DriveCooling
Intel 320 SSD Western Digital 2.5" 1Tb 7200rpm  LG External Blue-ray Combo Drive Noctual NH-L9a 92mm SS02 
OSMonitorKeyboardPower
Windows 7 Ultimate 64bit Toshiba Regza 52" 1080p Logitech K400 Antec EarthWatts Green EA-380D 
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A piece of plywood and some zip ties. Onboard Hauppauge WinTV HVR-2250 dual tuner card. 
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post #3 of 5
Remove the panel and see if the clear plastic has any movement in it. Is the acrylic tightly fit?
     
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Intel Core i7 5820K ASUS X99 Strix EVGA GTX 980Ti 16GB Corsair Dominator Platinum DDR4 
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EK Res X3 250 EK PE 480 EK XE 240 EK D5 Vario 
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Windows 10 Pro Asus PG278Q Swift CoolerMaster Rapid-i TKL (Cherry Blue) Corsair AX860 
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post #4 of 5
Thread Starter 
Hello

Yes thanks. Going to unplug the fans tonight.

Regarding side panel, the plastic is firmly secured. Just opening the panel slightly reduces the noise.
post #5 of 5
Thread Starter 
Changed one fan on the H110 that seemed to cause the noise and also fitted rubber sealing between radiator and case fixed the problem.
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