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  1. #1
    ROG Junior Member Array
    Join Date
    Apr 2015

    GPU external fan headers not working after driver 398.36

    External fan control not working on Asus 1080 TI OC after driver update to 398.36. Fans not spinning and External fan settings bar not showing in GPU Tweak 2 Ver1626_20180514.

    Reinstalled driver, gpu tweak, changed pcie slot, nothing helps.

    Running windows 8.1 x64

    What to do? Please, help.

  2. #2
    ROG Member Array DJ LFD PC Specs
    DJ LFD PC Specs
    Laptop (Model)Custom Desktop
    MotherboardASUS ROG Strix Z370-E
    ProcessorCore i3 8100 (8th Gen. 300 Series)
    Memory (part number)2x8GB Patriot Viper 2133 DDR4 (PVE48G213C4GY )
    Graphics Card #1EVGA GTX 960 4GB ACX 2.0+
    Graphics Card #2EVGA GTX 960 4GB ACX 2.0+
    Sound CardCreative Fatal1ty Champion Recon3D PCIe w/ Front I/O Deck
    MonitorSamsung 40" HDTV 1080p @ 60Hz
    Storage #1Team Group 128GB SSD SATA III /OS
    Storage #2Samsung EVO 860 500GB SATA III SSD/ /Storage ; WD Caviar 1TB 7200 RPM HDD for Older Storage
    CPU CoolerCooler Master MA620P RGB LED Twin Tower modifed fan placement (RAM-> Rear I/O)
    CaseCorsair Graphite 230T Rebel Orange
    Power SupplyAntec TPQ True Power Quattro 1200W
    Keyboard Logitech G213 Prodigy
    Mouse Logitech G602 11-button/ lagless/ fully progammable
    Headset Sound Blaster Blaze
    Mouse Pad Dell XPS Teflon/Steel
    Headset/Speakers Logitech Z506 5.1 surround
    OS W10 64-bit
    Accessory #1 DEEPCOOL WIND BLADE 120mm White LED
    Accessory #2 ID-COOLING NO-12025-G Green LED 120mm
    Accessory #3 NOVATION Launchkey 49 MKII MIDI Keyboard Controller
    DJ LFD's Avatar
    Join Date
    May 2018

    This may not be what you Want to hear... but it should work.

    Try EVGA Precision. Not to "Fanboi" this topic but i use EVGA Precision X OC for Fan Control Exclusively(i don't overclock), and while the interface is burdensome (maybe 3% RAM), i trust it with my cards.
    (nVidia graphics cards' fans will not spin until they reach 50 Degrees Celcius, this is normal behaviour, however it sucks the life out of them when a fan mechanism can easily be replaced, however the circuitry cannot.)

    I plan on getting either an ASUS ROG 1080 or an EVGA LED 1080 to replace my 2x EVGA 4GB GTX 960's in SLI as it has 8GB GDDR5 so i can run Ultra, but until then i am very happy in the Tom Clancy's Games i play using EVGA Precision for silent 30% until 30C then linear upto 100% @ 40C/+.

    Good Luck.
    Last edited by DJ LFD; 07-02-2018 at 09:05 PM. Reason: clarification, info,typo's

  3. #3
    ROG Junior Member Array
    Join Date
    Apr 2015

    Thank you, i will try it, but it's not a real solution and seems like nobody cares enough.

  4. #4
    ROG Enthusiast Array
    Join Date
    Mar 2018

    Hi swamprunner7. Thanks for bringing this to our attention. I will forward on to relevant team and request feedback.

  5. #5
    ROG Junior Member Array
    Join Date
    Apr 2015

    Thank you.

  6. #6
    ROG Member Array 8bitg33k PC Specs
    8bitg33k PC Specs
    MotherboardPrime Z390-A
    Memory (part number)CMW32GX4M2C3200C16
    Graphics Card #12070 SUPER XC ULTRA 08G-P4-3173-KR
    Sound CardSoundblaster G5
    MonitorAORUS AD27QD
    Storage #1860 EVO 1TB
    Storage #2970 EVO 250GB
    CPU CoolerCapellix Elite H115i
    CaseNZXT H710
    Power Supply850 RMx
    Keyboard Kinesis Gaming
    Mouse Razer Pro Click
    Headset DT990
    Mouse Pad Glorious
    OS 10
    Network RouterNighthawk Pro Gaming (XR700)
    Accessory #1 Valve Index
    Accessory #2 VKB Gladiator
    Accessory #3 TWCS Throttle

    Join Date
    Jan 2016

    Is the external fan speed setting no longer an option in GPU Tweak?

  7. #7
    ROG Junior Member Array
    Join Date
    Jul 2013

    Same question.
    I've been using the external fan control settings on an RX570 for many months. Then that setting dissappeared after updating from Tweak2 1650 on 11-7-2018 to 1670. Uninstalled 1670 and reverted back to 1650, but still no external fan control settings choice. The fan connected to the connector on the RX570 starts spinning when powering on the computer, but stops after several seconds as the computer continues booting. To test the fan itself, removed the fan from the RX570 external fan connector and plugged it into AIO-Pump connector on Rog Strix Z370-I motherboard and it worked. Updated BIOS from 1410 to 1601 hoping the RX570 needed some help sensing the fan was actually connected, but got same result in Tweak2 - the Ext Fan control setting is just not present. Updated RX570 to AMD driver 18.11.1 released 11-8-2018, but still no Ext Fan control setting to use.

    I rephrase 8bitg33k's question. Are the External Fan Control settings no longer supported in Tweak2 or is my RX570 external fan sensing circuit just not sensing the fan connected to its external fan connector?

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