Intel ICH9 Family USB Universal Host Controller 2938 Driver

The Intel ICH9 Family USB Universal Host Controller 2938 driver helps Windows recognize and manage a USB controller built into Intel ICH9-based systems. It is relevant when reinstalling Windows, troubleshooting an unidentified controller in Device Manager, or restoring USB connectivity for peripherals such as keyboards, mice, and printers. Although sometimes listed under printer downloads, this Intel component is a USB host controller, not a printer-specific driver.

Key Features

• USB controller recognition: Helps Windows identify the ICH9 controller and use the appropriate system resources.
• Peripheral communication: Supports the USB connection used by compatible devices; printers may still require their own separate drivers.
• System integration: Depending on the package, Intel chipset information files may identify the controller while Windows supplies the functional USB driver.
• Troubleshooting support: Installing a compatible package can help resolve missing controller identification after an operating system installation.

How to Install Intel ICH9 Family USB Universal Host Controller 2938 Driver

1. Identify your system. Check your Windows edition and system architecture, then open Device Manager to confirm the controller name and hardware IDs. This helps avoid installing a package intended for a different chipset.
2. Check compatibility before downloading. When choosing an Intel ICH9 Family USB Universal Host Controller 2938 driver download for Windows, verify that the package explicitly supports your computer and operating system. For Windows 11, 10, 8, or 7, availability depends on the manufacturer and package; do not assume one download supports every release.
3. Choose a trusted source. Check Windows Update and your computer manufacturer's support resources first. Select the latest version compatible with your system, and use a free download from a trusted source rather than an unverified driver utility.
4. Install the package. Run the supplied installer and follow its instructions. If the download contains driver files without an installer, use Device Manager, select Update driver, and browse to the extracted folder.
5. Restart and test. Restart if prompted, check Device Manager for warning icons, and test your USB devices. On Windows 10/11, a built-in driver may already provide the required functionality.

Keep the driver updated through Windows Update or manufacturer-approved packages, especially when addressing a documented compatibility issue. A newer download is not automatically better for older hardware: update only with a matching package, and remember that a controller driver does not establish Windows 11 compatibility for the entire computer.

Common Issues and Fixes

• Install fails or rolls back: Install Intel Chipset Device Software first, then update the ICH9 USB UHCI controller manually via Device Manager > Update driver > Browse > Let me pick. Run the installer as administrator; avoid unsigned legacy packages.
• Device not detected / yellow mark: Enable USB controllers and legacy USB support in BIOS, try rear motherboard ports, and check Device Manager for hidden devices. Reseat front-panel USB headers if affected.
• Version conflicts (Code 10/31): Uninstall the current controller driver and select “Delete the driver software,” reboot, then reinstall the Intel chipset INF. If a newer generic driver caused issues, use Driver > Roll Back or reinstall the matching ICH9 driver.