You can change the USB connection mode on LG G2, based on your need when the device is connected to PC (Laptop) via a USB Cable. Change the USB connection by doing as follows:
1. Open Settings and go to General Tab
2. Scroll down, and under System settings, tap PC Connection.
3. Tap "Select USB connection method" and select one of the following USB connection modes:
Media Sync (MTP)
Send Images (PTP)
Lean More LG G2 Tips and Tricks