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Fan speed problem

post #1 of 5
Thread Starter 
Hi everyone,

I recently bought the i5 6600 (non-k) and Gigabyte 110M-DS2 motherboard. Using the stock fan.

Have Windows 10 installed. What I'm trying to understand is why the CPU fan ramps up even when there is not considerable load on the CPU.

For example, when I restart into the bios, after a few seconds I start to notice a gradual increase in CPU fan speed, it just increases and increases in stages until presumably it's going full tilt. However in the bios menu it says my CPU temp is 40-43 deg and CPU fan is 1000-1100 rpm.

Even if I adjust the CPU fan in the bios to low, it makes no difference, so I left it at normal. When I get out of the bios, the CPU fan goes all quiet until I get into Windows. While in the bios it shows a clock speed of 3800-3900 Mhz. Regarding the CPU fan, I don't think I remember my previous i5 3570 and motherboard doing this, but maybe my memory is poor.

Just would like to understand why the fan speed increases despite the workload on the CPU being so low. I would assume it should be silent until heavy use, like playing a demanding game. In fact, after playing Witcher 3 (1440p, medium details), for 30 min, the CPU fan was operating at high speed, exited Witcher and the fan died down to whisper quiet levels.

What do you guys propose I do for trouble shooting/checking?
Edited by Misery - 10/26/15 at 1:16am
post #2 of 5
Thread Starter 
Not sure if it is relevant, but I have a Corsair VS450 power supply. Radeon 5850 graphics card.
post #3 of 5
Thread Starter 
Anyone?
post #4 of 5
Hello

the fan spin faster in the bios duo to cpu stay @max clock in the bios so the fan spin faster to keep the cpu cold thumb.gif
    
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CPUMotherboardGraphicsRAM
Intel Core I7 8700k 6 Core OC 4.7Ghz Gigabyte Z370 Gaming 5 AORUS Asus GTX 1060 GB Strix Corsair Vengeance RGB 16GB 3ghz 
Hard DriveHard DriveHard DriveCooling
Samsung 960 Evo 250GB + EK heatsink  Samsung 960 Evo 250GB + EK heatsink  PNY CS480 480GB SSD NZXT Kraken X61 + Corsair HD140 Fan's 
OSMonitorKeyboardPower
Windows 10 Pro 64BIt Asus VG248QE Razer blackwidow chroma  Corsair RM850i 850W 
CaseMouse
phanteks enthoo luxe tempered glass + HD140 Fan... Razer Elite 
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post #5 of 5
Mr. Dark is right that the fan will run on high in BIOS. As to gaming, stock coolers are notoriously inefficient. Although I'd imagine the 5850 was making more noise than the CPU in modern games.
    
CPUMotherboardGraphicsRAM
i5 6600k Gigabyte Z170XP-SLI MSI GTX 970 Gaming 100ME 16GB DDR4-3000 Ripjaws V 
Hard DriveCoolingOSMonitor
500GB Samsung 850 EVO EVO 212 Windows 10 Home ASUS VS229 21.5" 1080p 
PowerCase
Cooler Master V750 Fractal Design Define S 
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CPUMotherboardGraphicsRAM
i5 6600k Gigabyte Z170XP-SLI MSI GTX 970 Gaming 100ME 16GB DDR4-3000 Ripjaws V 
Hard DriveCoolingOSMonitor
500GB Samsung 850 EVO EVO 212 Windows 10 Home ASUS VS229 21.5" 1080p 
PowerCase
Cooler Master V750 Fractal Design Define S 
  hide details  
Reply
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