lg g2 - LG G2 - USB debugging disables when I connect to a PC

I'm trying to set up remote debugging on my brand new LG G2 phone.

Seen here: http://www.html5rocks.com/en/tutorials/developertools/mobile/

So far, I've:

1. Enabled developer options


2. Enabled "USB debugging" on the Developer options screen


3. On the "PC Connections" screen - I've set "USB connection method" to "PC Software"

So - everything looks good at this point.

However, as soon as I connect the device to my PC, the "USB debugging" setting on the "Developer options" screen turns gray (disabled). If I go to DevTools on Chrome on my PC (chrome://inspect/#devices) and check "Discover USB devices", my phone is not listed.

What else do I need to do?

Answer

I had the same problem with my G2 D802 only mine did work before when still running android 4.2. It was a driver issue and fixed it by the folowing steps:

My usb setting is set at (MTP)

That did it for me.