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Can't Control CPU Fan Speeds

Zack Brown
By Zack Brown
in Cooling
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Posted

Specs:

i7-6700K

AMD R9 390

ASUS Z170-A

Corsair H110i GTX (replaced stock fans with Silent Wings 2 140mm PWM)

Corsair Vengeance 16GB 3000MHz DDR4

 

Before I replaced the fans on the radiators from the stock ones to the Silent Wings 2, I could control the fan speeds in Corsair Link without a problem.

After replacing them, I could no longer control the fans, even though the wiring is exactly the same as it was before.

 

1.The two Silent Wings 2 PWM 140mm fans are connected to a splitter that is connected to the AIO cooler. (One connector has 3 pins and the other has 4 pins. Both fans have 4 pins).

2. The AIO cooler also has a SATA cable that is connected to a SATA port.

3. The AIO cooler has a 3 pin connector that is connected to a 4 pin CPU_FAN header (the CPU_FAN header only gives RPM data to the computer).

4.The AIO cooler has a mini-USB cable that is connected to a USB 2.0 connector.

 

Corsair Link shows MB fan is spinning at 770-890 RPM

AI Suite 3 shows CPU fan is spinning at 770-890 RPM

Both are referring to the same fans.

Ideas?

CPU: Intel i7-6700k - GPU: EVGA GTX 1080 FTW - Motherboard: Asus Z170-A - RAM: Vengeance LPX DDR4 16GB 3000MHz - CPU Cooler: Corsair Hydro GTX H110i - PSU: EVGA SUPERNOVA 650W P2 - Case: NZXT H440 White/Black - OS: Windows 10 Home - Mouse: Logitech G502 - Keyboard: Corsair Strafe Cherry MX Red RGB

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Posted

What settings in Corsair link have you tried so far? Are you using any other software to control your fans?

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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Posted

You may also want to check your BIOS, in case there is an option there that has changed to set the fans to PWM rather than auto or voltage.

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