The LG mobile driver allows you to connect you LG phone to your computer. This allows you access to the mobile phone from LG which will also allow you access to the menu system. With this software you should also be able to backup your mobile phone to your computer. This USB driver from LG will run on Windows XP to Windows 8.1 and every system in between.
Install the software on your computer and then connect the phone to the computer with a USB tether or cord. Once it detects the phone you should be able to reset the phone, backup the phone and do other things with the LG mobile phone. Should it show that the USB device is not recognised then see the page on this website as to what to look for. This is version 3.12.3 of the driver which is the older driver and there is also version 4.1.1 listed below which has been added in 2013 for both 32bit as well as 64bit systems.
Download the LG USB driver below.
LG United Mobile Driver 3.12.3
LG United Mobile Driver 4.1.1