From the Home screen, tap the Apps Key > Settings > PC connection > Select USB connection method.
Tap Media sync (MTP), Internet connection, or Camera (PTP) to connect to the PC.
Tap Charge phone to use only the charging function and not the USB function.
For Windows® XP, the MTP driver is not installed by default. If Windows Media Player(WMP) over version 10.x is installed on the PC, the MTP driver may be installed. For Windows® 7 except for N edition, the driver is installed.