Driver Avermedia A857 Windows 7 64 Bits Link =link=

The AVerMedia A857 (often recognized as the AVerTV Volar 700 or part of the Volar series) is a legacy USB TV tuner known for its reliability in capturing digital broadcasts. However, as software environments have moved toward Windows 10 and 11, finding a stable Windows 7 64-bit driver link can be a challenge.

This guide provides the necessary information to get your device up and running on your 64-bit system. Why the AVerMedia A857 Needs Specific Drivers

The A857 chipset was designed during the transition between Windows Vista and Windows 7. Because it is a 64-bit operating system, Windows 7 requires "Signed Drivers." A standard 32-bit driver will not work and will likely result in a "Device Not Recognized" error in your Device Manager. Official Driver Details Device Name: AVerMedia A857 (Volar 700/HD)

Supported OS: Windows 7 (64-bit), Windows Vista (64-bit), Windows XP File Format: .EXE (Installer) or .ZIP (Manual Driver) Where to Find the Driver Link

While AVerMedia has archived many of its older product pages, you can still obtain the driver through the following methods:

The AVerMedia Support FTP/Archive:Visit the official AVerMedia Global Support site. Navigate to the "Discontinued" or "Archive" section. Look for the Volar Series or specifically the A857 model.

Microsoft Update Catalog:Search the Microsoft Update Catalog for "AVerMedia A857." Microsoft often hosts the basic driver INF files for Windows 7 64-bit that allow the hardware to communicate with third-party software like Windows Media Center or VLC.

Third-Party Repositories:If the official site is down, reputable driver databases like DriverGuide or Softpedia often host the original AP6.0.x or Driver 1.x packages specifically for the A857. How to Install the Driver on Windows 7 64-Bit

Disconnect the Device: Unplug the USB tuner before starting the installation.

Download the Package: Ensure you have the file specifically labeled x64 or 64-bit.

Run as Administrator: Right-click the .exe file and select "Run as Administrator" to ensure the registry keys are written correctly. Driver Avermedia A857 Windows 7 64 Bits LINK

Plug and Play: Once the installer finishes, plug in the A857. Windows 7 should show a notification: "Installing device driver software" followed by "Your device is ready to use." Troubleshooting Common Issues

Driver Signature Error: If Windows 7 blocks the driver, you may need to restart your PC and press F8 repeatedly to enter the Advanced Boot Options, then select "Disable Driver Signature Enforcement."

No Channels Found: This is often a software issue rather than a driver issue. Ensure you are using AVerTV 6 or Windows Media Center and that your antenna has a clear line of sight to local broadcast towers. Alternative Software

If you have the driver installed but the original AVerMedia software won't run, the A857 is compatible with: ProgDVB: Excellent for digital TV standards. NextPVR: A modern alternative for recording live TV.

VLC Media Player: Use the "Open Capture Device" setting to stream directly from the tuner.

is a specialized USB TV tuner designed to receive digital TV signals (specifically the ISDB-Tb standard used in regions like Brazil). If you are running an older system on Windows 7 64-bit, finding the correct driver is essential for the device to perform channel scanning and video playback correctly. Download Link & Version Details

Since this is a legacy device, the drivers are often found through hardware partners like Positivo or specialized driver databases: Driver Version: 12.6.64.16 Operating System: Windows 7 (64-bit)

Official Compatibility: Confirmed for Windows 7 Professional and Ultimate editions

Download Link: You can find the specific 64-bit installer on DriverIdentifier or via Driver Scape. Step-by-Step Installation Guide

Download the Driver: Use one of the links above to download the .zip or .cab file containing the driver. Connect the Hardware: Plug your AVerMedia A857 tuner into a high-speed USB port. Manual Installation: Open Device Manager on your Windows 7 PC. The AVerMedia A857 (often recognized as the AVerTV

Locate the "Unknown Device" (it may appear under "Other devices" with a yellow exclamation mark). Right-click the device and select Update Driver Software.

Choose "Browse my computer for driver software" and point to the folder where you extracted the downloaded files.

Confirm Hardware IDs: To ensure you have the right match, the device should show the following ID in the "Details" tab: USB\VID_07CA&PID_A857. Troubleshooting Tips

Check Bit-Version: Ensure you specifically download the 64-bit version (often labeled x64), as the 32-bit (x86) driver will not work on your system. OEM Variants: Many

tuners were bundled with Positivo laptops and desktops. If the generic driver fails, looking specifically for the Positivo-branded driver package often resolves compatibility issues.

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.

Guide: Installing Driver for Avermedia A857 on Windows 7 64-bit

Introduction: This guide provides step-by-step instructions for installing the driver for Avermedia A857 on a Windows 7 64-bit operating system. Avermedia A857 is a TV tuner device that allows you to watch and record TV on your computer. To ensure the device functions properly, you need to install the appropriate driver.

System Requirements:

Step 1: Downloading the Driver

  1. Visit the Official Avermedia Website: Open a web browser (e.g., Google Chrome, Mozilla Firefox) and navigate to the official Avermedia website at www.avermedia.com.
  2. Navigate to Support: Look for a "Support" or "Downloads" section on the website. This is often found at the top of the page or in the footer.
  3. Search for Your Product: In the support or downloads section, search for "Avermedia A857" or navigate to the TV tuner category and find your device.
  4. Select Your Operating System: Choose "Windows 7 64-bit" as your operating system if available directly. If not, you might need to select a close match or a universal driver if specified.
  5. Download the Driver: Click on the driver file that matches your device and operating system, and then click on the download link. The file might be in a zip or exe format.

Step 2: Installing the Driver

  1. Locate the Downloaded File: Once the download is complete, navigate to the folder where the file was saved. If the file is in a zip format, right-click on it and select "Extract All" to unzip the file.
  2. Run the Installer: If the file is an executable (.exe), double-click on it to run the installer. If there are multiple files, look for an executable file (usually named "Setup" or "Install").
  3. Follow Installation Prompts: The installation wizard will guide you through the installation process. Follow the on-screen instructions. You might be asked to agree to terms and conditions, choose an installation location, and decide whether to install additional software.
  4. Connect the Device: Typically, you should connect your Avermedia A857 device to your computer via USB during the installation process when prompted. Ensure the device is properly connected.

Step 3: Verifying the Installation

  1. Restart Your Computer: After the installation is complete, it's recommended to restart your computer to ensure the driver is properly loaded.
  2. Check Device Manager:
    • Go to "Start" > right-click on "Computer" or "This PC" > select "Manage".
    • In the Computer Management window, click on "Device Manager".
    • Look for your Avermedia A857 under "Sound, video and game controllers" or "Other devices". If it appears without any warning symbols, the driver has been successfully installed.

Step 4: Using Your Device

  1. Launch Software: Depending on your device, Avermedia usually provides software for watching TV, recording, and sometimes streaming. Look for this software in your Start menu or on your desktop.
  2. Configure Settings: Open the software and configure your settings as desired, such as video source, recording quality, and timeshifting settings.

Troubleshooting Tips:

By following these steps, you should be able to successfully install the driver for your Avermedia A857 on a Windows 7 64-bit system and start enjoying TV on your computer.


A Note on Windows 10/11 (For Those Upgrading)

If you are reading this because you plan to move to Windows 10 64-bit, stop. The official driver will not work on Windows 10 21H2 or newer. The Avermedia A857 is hardware-locked to Windows 7/8. For modern systems, consider the Avermedia Live Gamer HD 2 (GC570) or a USB capture device.

2. Windows Update Method

If the official download is hard to find:

  1. Connect the AverMedia A857 device to your PC.
  2. Open Device Manager (Right-click Computer > Manage > Device Manager).
  3. You will likely see the device under "Other devices" with a yellow exclamation mark.
  4. Right-click the device and select Update Driver Software.
  5. Select Search automatically for updated driver software. Windows 7 might still be able to pull the certified driver from Microsoft's legacy servers.

Issue 1: Code 10 (The device cannot start)

Cause: IRQ conflict or corrupted registry. Fix: Move the card to a different PCI slot. On motherboards with multiple x16 slots, avoid the primary GPU slot.

4. Device Manager Verification

The Solution: The "Avermedia BDA Drivers" Package

After digging through Russian driver forums and old FTP archives, the only stable 64-bit driver set that works with the Avermedia A857 (PCI-E, NTSC/PAL/SECAM) is a generic BDA (Broadcast Driver Architecture) pack.

>>> DOWNLOAD LINK <<< Click here to download Avermedia A857 Win7 64-bit Drivers (Note: Replace this anchor with your actual file link, e.g., your Google Drive or Dropbox URL) Windows 7 64-bit operating system Avermedia A857 TV

File details:

Step 2: Reboot into “Disable Driver Signature Enforcement”

Windows 7 64-bit rejects unsigned drivers by default. The A857 driver uses an old SHA-1 certificate, which Windows 7 will flag as untrusted unless you do this:

  1. Restart your computer.
  2. As the PC boots (before the Windows logo appears), repeatedly press F8.
  3. From the Advanced Boot Options menu, select: “Disable Driver Signature Enforcement” .
  4. Press Enter. Windows will start normally.