Method two on how to solve Galaxy S8 not recognized by Windows PC by clearing the cache of S8: If nothing seems to work, then move on to method two below. So turn off your Antivirus and try again.

Sometimes it is the firewall or Antivirus that does not allow a connection with an external device.

Drag it down and change the connection type to MTP (Data Transfer/File Transfer).

After connecting your device, you should see a notification in the notification panel.Try resetting your device maybe there is some issue in the PC or your phone that is not letting the connection be established.You will hear a sound on your PC when the connection is established between S8 and the computer.

Hold your phone and move the cord to different angles. Or while your device is connected to the PC with a data cable. Try with some other data cable to connect your device. Or it can be the data cable that is not working correctly.The problem can also be in the USB port of your PC.Make sure you use the original USB data cable to connect your S8 or S8+ to your PC.Once the installation is done, remove the USB data cable from your PC and connect it again.Just navigate to this link, download Samsung USB drivers for Windows PC and install them on your computer.This leads to S8 not recognized on Windows PC error. The most common issue is the unavailability of Samsung drivers for Windows PC. Samsung Galaxy S8 not Recognized on Windows PC? Here is how you can solve this issue:

We will deal with all its possible solutions. You will not be able to move your phone data to a PC and vice versa. This error leads to the inaccessibility of your Galaxy S8 data like pictures and videos on your computer.

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