It seems like you are experiencing issues with your Netgear MA311 PCI adapter on Windows 7 Ultimate x64 after switching from the x86 version. Since the adapter was working fine on Windows 7 Ultimate x86, the problem might be related to driver compatibility with the x64 version. Here are some steps you can take to troubleshoot and potentially resolve the issue: 1. Update Drivers: - Visit the Netgear support website and download the latest drivers specifically designed for Windows 7 x64 for the MA311 PCI adapter. - Ensure that you are installing the correct driver version for Windows 7 x64. 2. Compatibility Mode: - Try installing the driver in compatibility mode. - Right-click on the driver installation file, select "Properties," go to the "Compatibility" tab, and check the box for running in compatibility mode. - Choose a previous Windows version like Windows XP. 3. Device Manager: - Open Device Manager (Win + X, then select Device Manager). - Locate the Netgear MA311 adapter under "Network adapters." - Right-click on it, choose "Update driver," and manually select the driver you downloaded. 4. Remove Old Drivers: - Uninstall any previously installed drivers for the adapter. - Go to Device Manager, right-click on the adapter, and choose "Uninstall device." - Make sure to remove the driver software when prompted. 5. Check Network Settings: - Ensure that the network adapter is not disabled in the Network and Sharing Center. - Check if any security software or firewall settings are blocking the adapter's connectivity. 6. Check Adapter Status: - Physically check the PCI adapter connection to ensure it's properly seated in the motherboard slot. 7. Restart and Test: - After installing the new drivers or making changes, restart your system and check if the adapter is recognized. Since the adapter works fine on Ubuntu, the issue is likely related to driver compatibility on Windows 7 x64. By following these troubleshooting steps, you should be able to address the problem and get your Netgear MA311 PCI adapter working on Windows 7 x64. If you continue to face issues, consider reaching out to Netgear support or the Windows community for further assistance.
