Note: "Jinco" is often a misspelling or variation of or generic Realtek-based adapters. If you have a physical device, check the label for the exact model number (usually starting with "J5" or containing "RTL").
: This blog post is for informational purposes only and is not affiliated with Jinco or any other company. Use of this information is at your own risk. jinco wireless usb adapter driver download windows 7
A Windows update (or antivirus) may have corrupted the driver. Uninstall the adapter from Device Manager (right-click → Uninstall), then reinstall using the methods above. Note: "Jinco" is often a misspelling or variation