Step 3: Install the Driver Manually

• Extract the ZIP file you downloaded.
• Navigate to Device Manager (Right-click Computer > Manage).
• Look for “Unknown Device” or “Multimedia Controller” with a yellow triangle.
• Right-click it > Update Driver Software.
• Select “Browse my computer for driver software”.
• Point to the extracted folder containing AVer88x.sys and AVer88x64.sys.
• Click Next. Windows will warn about “Windows cannot verify the publisher.” Click “Install this driver software anyway” .

Step 2: Extract the Drivers

Signal Issues: Once the driver is installed, you will need compatible TV software (like Windows Media Center or AVerMedia's own TV Utility) to scan for channels. Driver Avermedia A857 Windows 7 64 Bits LINK

(If the official AVerMedia page is unavailable or the model is discontinued, reputable driver-archive sites or the manufacturer’s FTP mirror are alternatives — verify file checksums and avoid sites that bundle unwanted software.) For users looking to enable digital TV functionality

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