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If you can share your , I can help you locate the exact driver page.
If you are still having audio issues, I can tell you which audio drivers to pair with this.
SUBSYS_309F17AA: This indicates a specific implementation, likely by a manufacturer like Lenovo or HP.
— The Manufacturer's Signature
— The Specific Component
It may also refer to a driver package where the installation script has been altered to force recognition of this specific subsystem ID ( 309F17AA ) if the standard Intel installer fails to detect it. How to Install/Fix the Driver
Method 1: The Official Intel Chipset Device Software Installation pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
Users look for a version of this driver for three distinct technical scenarios:
If you see this device listed as an "Unknown Device" or "SM Bus Controller" with a yellow exclamation mark in Device Manager, you need to install the Intel Chipset Device Software MSI Global English Forum
This field is split into two parts:
# Define the specific Hardware ID path $TargetDeviceID = "PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04"
: This refers to the specific implementation by a manufacturer, often seen in Lenovo ThinkPad models like the T440p. REV_04 : This indicates the fourth revision of the hardware. Why You See the "Missing Driver" Error
The -overall flag commands the utility to overwrite existing generic Microsoft placeholder drivers and explicitly label the DEV_8C22 hardware block. Restart your computer. Method 2: Manually Patching the .INF File If you can share your , I can
Use the Lenovo System Update tool to automatically find and apply the correct "patched" or updated chipset drivers for your specific hardware configuration. Intel Chipset Device Software for Windows 10 (64-bit)