The AVerMedia C127 Extreme PCIe HD Capture Device driver allows Windows to recognize the capture card and communicate with its hardware. Installing a compatible AverMedia driver helps supported recording software access the card’s video and audio capture functions.

Key Features

• Hardware recognition: Identifies the C127 capture card in Windows so applications can communicate with it through the appropriate driver interface.
• Video and audio capture support: Enables compatible software to receive supported input signals for recording and other capture tasks.
• Capture application connectivity: Provides the link between the PCIe hardware and supported capture utilities. Available settings depend on the application, input source, and driver version.
• Windows compatibility: When choosing a download for Windows 11, 10, 8, or 7, check that the specific driver package lists your operating system and system architecture. Compatibility can vary between releases.

How to Install

1. Check your Windows version. Open your system information and confirm the operating system and whether it is 32-bit or 64-bit. Choose a driver package that explicitly supports both your Windows installation and the AVerMedia C127 Extreme PCIe HD Capture Device.

1. Confirm the card is installed correctly. If the capture card has not yet been fitted, shut down the computer, disconnect power, and install it in a compatible PCIe slot according to its hardware instructions. Reconnect power and start Windows.

1. Prepare the driver package. Download the matching driver and extract it if it comes in a compressed archive. Close capture applications before starting installation to prevent them from accessing the card during setup.

1. Install the driver. Run the supplied installer and follow its prompts. If the package contains driver files without an installer, open Device Manager, locate the capture card or unidentified multimedia device, select Update driver, and browse to the extracted folder.

1. Restart and test capture. Restart Windows if prompted, then check Device Manager for warning icons. Open a compatible capture application, select the C127 as the capture source, and test it with a supported video signal.

If the card is detected but no picture or sound appears, check the selected input, cable connections, source signal format, and application settings before reinstalling the driver. Protected content may also prevent capture; a driver update does not bypass content protection.

Common Issues and Fixes

• Installer fails or rolls back: Run setup as administrator, temporarily disable antivirus, remove older AVerMedia drivers/software in Apps & Features and Device Manager (uninstall device, delete driver), reboot, then install the C127 Extreme driver package.
• Device not detected: Power off and reseat the PCIe card, confirm it is in a working x1/x4 slot and appears in Device Manager as a multimedia/unknown device; try another slot and check BIOS PCIe settings.
• Version conflicts or capture app cannot open device: Uninstall mismatched AVerMedia Capture/Recentral and old driver versions, reboot, and install one driver package matching your Windows build before reinstalling capture software.