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CPU Fans not working with Gigabyte Z170X Gaming 3 MB

post #1 of 2
Thread Starter 
Hi all,

So, long story short; I built the rig (see sig) and everything was fine until my CPU went, and I had to RMA it.

During my testing, I updated the BIOS to the latest F6 BIOS, then sent the CPU away.

Now that I have it back, I have put it all back together with a Brand new EVGA G2 750W PSU. But my CPU fans and 1 Case fan, are not spinning.

I have the CPU water block (Corsair H75) in the CPU_OPT port (this seems to be working, as its registering as "Spinning"), and the Fans on the Rad in the CPU FAN slot, but they will not spin up (works fine with 4PIN to Molex adapters, so the fans themselves are fine)

All settings in the BIOS have the Fan speed set to MAX (which was working both during testing after upgrading the BIOS), and 2 of the NZXT Case fans are spinning, just not the CPU and top fans (top fan set to another Chassis Header)


This is perplexing, as I have looked all through the BIOS settings and have not seen any Thermal control for CPU FAN speeds or Chassis Thermal sensing. Theoretically it should just spin....




Does anyone have any insight into this issue? I can bypass this with a 4Pin to Molex plug obviously, but I would rather use the headers for obvious reason.
Blue Steal
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-6700K Skylake 4Ghz Gigabyte GA-Z170X Gaming 3  Gigabyte GeForce GTX 1080 G1 Gaming, 8GB 16GB (2x8GB) Vengeance LPX Black C15 3000Mhz 
Hard DriveHard DriveCoolingOS
250GB Samsung EVO 850 (SSD) WD 4TB 5,900rpm Corsair Hydro H75 (p/p) Windows 10 PRO 
MonitorKeyboardPowerCase
Acer Predator XB1 28" 4K UHD G-Sync Logitech G910 Mechanical EVGA SuperNOVA 750W G2 80+ Gold Modular NZXT S340 (Black/Blue) + 2x 140mm NZXT Case Fans 
MouseMouse Pad
Logitech G502 Gigabyte 
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Reply
Blue Steal
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-6700K Skylake 4Ghz Gigabyte GA-Z170X Gaming 3  Gigabyte GeForce GTX 1080 G1 Gaming, 8GB 16GB (2x8GB) Vengeance LPX Black C15 3000Mhz 
Hard DriveHard DriveCoolingOS
250GB Samsung EVO 850 (SSD) WD 4TB 5,900rpm Corsair Hydro H75 (p/p) Windows 10 PRO 
MonitorKeyboardPowerCase
Acer Predator XB1 28" 4K UHD G-Sync Logitech G910 Mechanical EVGA SuperNOVA 750W G2 80+ Gold Modular NZXT S340 (Black/Blue) + 2x 140mm NZXT Case Fans 
MouseMouse Pad
Logitech G502 Gigabyte 
  hide details  
Reply
post #2 of 2
Thread Starter 
Anyone got any insight into this?
Blue Steal
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-6700K Skylake 4Ghz Gigabyte GA-Z170X Gaming 3  Gigabyte GeForce GTX 1080 G1 Gaming, 8GB 16GB (2x8GB) Vengeance LPX Black C15 3000Mhz 
Hard DriveHard DriveCoolingOS
250GB Samsung EVO 850 (SSD) WD 4TB 5,900rpm Corsair Hydro H75 (p/p) Windows 10 PRO 
MonitorKeyboardPowerCase
Acer Predator XB1 28" 4K UHD G-Sync Logitech G910 Mechanical EVGA SuperNOVA 750W G2 80+ Gold Modular NZXT S340 (Black/Blue) + 2x 140mm NZXT Case Fans 
MouseMouse Pad
Logitech G502 Gigabyte 
  hide details  
Reply
Blue Steal
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-6700K Skylake 4Ghz Gigabyte GA-Z170X Gaming 3  Gigabyte GeForce GTX 1080 G1 Gaming, 8GB 16GB (2x8GB) Vengeance LPX Black C15 3000Mhz 
Hard DriveHard DriveCoolingOS
250GB Samsung EVO 850 (SSD) WD 4TB 5,900rpm Corsair Hydro H75 (p/p) Windows 10 PRO 
MonitorKeyboardPowerCase
Acer Predator XB1 28" 4K UHD G-Sync Logitech G910 Mechanical EVGA SuperNOVA 750W G2 80+ Gold Modular NZXT S340 (Black/Blue) + 2x 140mm NZXT Case Fans 
MouseMouse Pad
Logitech G502 Gigabyte 
  hide details  
Reply
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