Asus Fan Control

Download

Go to releases

Run

Command line: `AsusFanControl.exe`

AsusFanControl.exe <args>
    --get-fan-speeds
    --set-fan-speeds=0-100 (percent value, 0 for turning off test mode)
    --get-fan-count
    --get-fan-speed=fanId (comma separated)
    --set-fan-speed=fanId:0-100 (comma separated, percent value, 0 for turning off test mode)
    --get-cpu-temp

GUI: AsusFanControlGUI.exe

After building (e.g. Release | x64), the output folder bin\x64\Release\ contains the exes and run.bat. Double‑click run.bat to launch the GUI with admin rights (it uses PsExec if present). To have PsExec copied automatically, place PsExec.exe in the AsusFanControlGUI project folder once; then every build will copy it to the output folder.

Why need it?

My laptop does not support the Fan Profile option, but it often overheats. Looked for apps to control fans, but none is working.

Compatibility

This program should work on any laptop with x64 windows where Fan Diagnosis in MyASUS application is working as it is using same library.

ASUS System Control Interface is necessary for this software to work - ASUS System Analysis service must be running. It's automatically installed with MyASUS app.

If fan control has no effect: Run the app as Administrator (right‑click → Run as administrator). The GUI is built to request admin elevation. Also ensure the ASUS System Analysis service is running (Services → "ASUS System Analysis" or "AsusSystemAnalysis") and that your model supports Fan Diagnosis in MyASUS. You can test from command line (as admin): AsusFanControl.exe --get-fan-count then AsusFanControl.exe --set-fan-speeds=80.

Included AsusWinIO64.dll is licenced to (c) ASUSTek COMPUTER INC. which can be found in C:\Windows\System32\DriverStore\FileRepository\asussci2.inf_amd64_-\ASUSSystemAnalysis\ if you have MyASUS installed.

Works on:

• ASUS: VivoBook, ZenBook, TUF Gaming, ROG Strix, ROG Zephyrus, ROG Flow

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Modifications

This fork adds temperature-based fan control and UI improvements on top of the original Asus Fan Control:

• Manual vs Auto mode

  • Manual: Fan speed is set by the trackbar (unchanged).
  • Auto: Fan speed is chosen from fixed temperature ranges; the current CPU temp and resulting fan % are shown in the UI.

• Fixed temperature ranges (Auto mode)

  • < 35°C → 0% (fans off)
  • 35–55°C → 45%
  • 55–75°C → 80%
  • ≥ 75°C → 100%
    "Forbid unsafe settings" (Advanced menu) still applies a 40–99% clamp when enabled.

• 5-second debounce
  In Auto mode, when temperature moves to a new range, the new fan speed is applied only after it has stayed in that range for 5 seconds, to avoid reacting to short spikes.

• Performance
  Hardware reads (CPU temp, fan RPM) run on a background thread and the refresh timer runs every 5 seconds to reduce system load and keep the UI responsive.

• UI

  • Temp ranges are shown on separate lines (no truncation).
  • Window size is reduced to fit content with less empty space.
  • Fixed single-window layout; form does not maximize.