Unplug USB cable from your PC.

1. Go to 'Settings' > 'Storage'.
2. In options, click 'USB computer connection'
3. Now check on 'Camera (PTP)'
4. Connect your device to PC.

After connecting, if drivers are installed successfully, Unplug device, switch back to MTP mode and connect to PC.

1. Unplug USB cable from your PC.
2. Go to 'Settings' > 'Storage'.
3. In options, click 'USB computer connection'
4. Now check on 'Camera (PTP)'
5. Connect your device to PC.
6. After connecting, if drivers are installed successfully, unplug device, switch back to MTP mode and connect to PC.