Third-party registry tools can accidentally delete legacy driver strings, breaking the connection to your scanner.

Properly manages power consumption via the USB interface.

Look through the list for a yellow exclamation mark next to or iBall Click Scan A404 (usually under "Imaging devices" or "Other devices"). Right-click the device and select Update driver . Choose Browse my computer for drivers .

via USB when prompted by the installer, or after the installation finishes. Restart your computer to complete the integration.

Choose the architecture matching your system (32-bit or 64-bit). Most modern PCs use 64-bit.

If you have followed every step in this guide and your Iball Click Scan A404 still does not work, consider that the scanner’s internal chipset may have failed. In that case, a replacement scanner (even a second-hand one) might be more cost-effective than hours of troubleshooting.