I used to do this on my old phones by plugging in usb and the Sd card would be mounted as a Mass Storage device that I could copy and paste from.
The LG G2 only connects to the computer using MTP (Media Sync).
When I went to copy from the MTP storage, I get to stare at "Calculating the time required to copy the files."
Its been doing this for about an hour.
How can I get my Internal Storage to my computers Hard Drive?