If your scanner is not being recognized by Windows, there are a number of potential solutions that you can try.
First, make sure that the scanner is properly connected to your computer. If you are using a wired connection, be sure that the USB cable is plugged into both the scanner and the computer securely. If you are using a wireless connection, check that your scanner is powered on and in range of your computer.
If the connection appears to be working, you may need to install or update the drivers for your scanner. The exact steps for this will depend on the make and model of your scanner and your particular operating system, but usually involve downloading the installation package from the manufacturer’s website and then running the installer.
In some cases, simply restarting your computer may also be enough to fix the problem, as this might prompt the installation of new drivers or allow the scanner to be recognized by Windows.
It’s also possible that your scanner is not being recognized because of a conflict with another device. To troubleshoot this, try disconnecting other USB devices from your computer and then restarting the system to see if the scanner is then recognized.
Finally, if all else fails, you may need to contact the manufacturer or a qualified technician to help you troubleshoot the issue. They may be able to assist you with finding and installing the correct drivers, or offer advice about any other potential causes for the issue.