MOTO G4 is not connecting with windows 10
Try this. First turn on developer options. To do this open settings and locate the 'about phone' and tap this then scroll to build and tap this 7 times then click the back button and go back to settings. With your phone connected to the computer locate 'Developer options' and tap it. From here scroll down to 'Select USB Configuration' and tap it. Tap 'MTP(Media Transfer Protocol)' even though it may already be selected. This should automatically open the dialog box on the computer with the phone's drive listed.