There could be several reasons why your scanner is not being recognized by your computer. To troubleshoot the issue, you should check that your scanner is properly connected to your computer and that it is powered on. You should also check that your computer has the most up-to-date drivers for your scanner.
If your scanner is connected properly and is powered on with the latest drivers, then you might need to try adjusting the settings of your scanner. For example, you could check that your scanner is set to the correct input and output modes, as well as check the scanning resolution setting. Additionally, you might need to adjust the properties of your scanner. Depending on the scanner model, you may be able to find the necessary settings by going into the scanners control panel or its preferences’ menu.
If these steps do not resolve the issue, you should check the compatibility of your scanner with your operating system (OS). Not all scanners are compatible with all OSs, so you should make sure that your scanner is compatible with your OS. You can usually find this information in the manufacturer’s manual or product page. If your scanner is not compatible with your OS, then you will have to find a scanner that is compatible.
Finally, if the above steps do not help, then you should look into updating or reinstalling the driver for your scanner. Drivers can become outdated over time and may cause issues with recognizing the device. You can try to update the driver manually through the manufacturer’s website. Otherwise, you can use a program such as IObit Driver Booster to help locate and install the most recent version of the driver.
If none of the above steps work, then it may be an issue with the hardware of the scanner itself. In this case, you may need to take the scanner in for repair or replacement.