This short article explains what you can do to fix this problem. You may see this error when you attempt to copy and transfer photos and videos from your iPhone or iPad to your Windows PC. Your computer’s USB port may not be working.Your iPhone or iPad is not connected to your computer properly.This could be because of many reasons, for example: This error message occurs because your computer is not properly communicating with your iOS device. Many iOS (iPhone and iPad) and Windows users are reporting that they have been receiving an error message saying “A device attached to the system is not functioning” (see the image below).
