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Fan Speed

post #1 of 4
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I built this PC 7 months ago. Recently my Intel temp alert came on and I noticed that the fan was not turning at the same high RPM's it had been when temps reached 156 deg. F,Which probably caused this overheating. I updated Bios [Which raised my threshold to 160 deg F] and installed the new Intel Desktop Control center. The control allows you to set the fan to auto or manual. When I select manual and move the slider to max, the fan only turns up to 2600 RPM.[but it does change the speed]. If I select auto mode the fan only turns at 1075 at 130 deg F. I still havent been able to figure out if my fan has lost the ability to turn at high speeds. Is there any way to test the fan at all speeds without overheating the CPU? Does the control center result tell me that the fan is not turning at the highest speed? Thanks

Intel Pent 4 640 Prescott LGA775 3.20 GHZ
Intel D955XBK Mother board
Lian Li 6070 plus [ exaust tube/fan for CPU]
post #2 of 4
please fill out system specs in User CP at top of page, it will helps others help you
TudjBox.
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TudjBox.
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Hard DriveHard DriveOptical DriveCooling
OCZ Vertex II Samsung F3 1TB Sony DVD-RW Thermalright Silver Arrow 
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Windows 7 x64 iiyama ProLite 24" 16:9 Filco Ninja Majestouch-2 Corsair HX620 
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post #3 of 4
If its a 80mm fan then the speed of 2600rpms is fine.
The rule is: The smaller the fan the faster the fanspeed. Smaller fans have to turn faster then big ones to move the same amount of air.

You are saying that the fan suddenly became slower. It could be that the fan is dusty (always remove your dust ) or just that its dying on you.

If you can tell us how old your fan is and what kind of fan it is we can help you out some more.
Always try to keep your CPU as cool as possible so I suggest you set your fan speed to manual and turn it up all the way. Also look in the bios if your motherboard is maybe setting the fanspeed to low or something. There must be a fan controlling option in your bios. Good luck!
Blue Ruby
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Blue Ruby
(17 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 @ 3.4Ghz Gigabyte GA-X38-DQ6 Sapphire HD5770 CrossfireX 4x Corsair Dominator PC2-8500 2GB 
Hard DriveHard DriveHard DriveOptical Drive
OCZ Vertex 2 Samsung Spinpoint F3 Samsung Spinpoint F1 2x Optiarc 
CoolingOSMonitorKeyboard
Zalman CNPS9700-LED Windows 7 Ultimate x64 3x Syncmaster 205BW Eyefinity Microsoft Natural Ergonomic Keyboard 4000 
PowerCaseMouseMouse Pad
Cooler Master Real Power M850 Recom Powerstation (Raidmax Smilodon) Logitech MX518 Steelpad QcK Mini 
Audio
2x KRK Rokkit Powered 8 
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post #4 of 4
2600 is a fine RPM, if you can keep it there......does the temp come down when you set the RPM manually and it increases? If temps drop then it's just a problem with whatever is controlling your fan as it's obvious the fan itself can handle it.
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