If your driver package installed a proprietary wireless utility tool, it might conflict with the native Windows 7 network manager. Use the Windows system tray network icon to manage your connections rather than third-party utility software whenever possible. To help narrow down the exact files you need, let me know:
If your Jinco wireless adapter still fails to connect to the internet after installation, try these quick troubleshooting steps: jinco wireless usb adapter driver download windows 7