The Conexant Polaris Unused CIR Function driver helps Windows identify and handle an auxiliary function of compatible Conexant Polaris hardware. The “Unused CIR” label refers to a consumer infrared-related function that may not be enabled on your particular device, so installing this driver does not necessarily add infrared remote-control support.

Key Features

• Device identification: Provides the information Windows needs to recognize the Conexant Polaris Unused CIR Function rather than leave it listed as an unidentified device.
• Hardware-specific configuration: Associates the matching device function with its intended driver settings. Compatibility depends on the hardware ID, not just the displayed device name.
• Device Manager integration: A correctly matched package may resolve a missing-driver warning for this function without changing the operation of other components.
• Windows compatibility: When selecting a download for Windows 11, 10, 8, or 7, check that the individual package supports your operating system and system architecture. Not every driver release supports all four versions.

How to Install

1. Check the device details. Open Device Manager and locate the Conexant Polaris Unused CIR Function or the corresponding unknown device. Open Properties, select the Details tab, and choose Hardware Ids to confirm which package matches your hardware.

1. Select a compatible driver. Check the package’s supported Windows versions and whether it is intended for a 32-bit or 64-bit system. Prefer a driver supplied for your computer or hardware model when available.

1. Prepare the download. Extract the package if it is compressed, and review any included instructions. Keep the extracted files together so Windows can find the installation information and supporting files.

1. Install the package. Run the included installer, if provided. Otherwise, right-click the device in Device Manager, choose Update driver, then Browse my computer for drivers, and select the extracted folder. Avoid forcing installation if Windows reports that the driver is incompatible.

1. Verify the result. Restart if prompted, then return to Device Manager and check the device status. If a warning remains, recheck the hardware ID and package compatibility rather than repeatedly installing different drivers.

Because this entry may represent an unused hardware function, a successful installation should not be taken as confirmation that your system supports infrared accessories.

Common Issues and Fixes

• Install fails or Code 10/28: Run the Conexant package as administrator and use Device Manager > Update driver > Browse for the extracted Polaris CIR INF. For legacy unsigned packages, temporarily disable driver signature enforcement; never install a generic modem/audio INF over the CIR function.
• CIR not detected: Enable Consumer IR/Remote Control in BIOS/UEFI and verify the internal IR receiver/header is connected. If the system has no IR hardware, “Unused CIR Function” is expected—leave it disabled rather than forcing a driver.
• Version conflicts/Code 43: Uninstall older Conexant Polaris CIR and Windows IR entries, reboot, then install the package matching your Windows build. Avoid mixing CIR and audio/modem driver versions from different releases.