Unable to launch client - disappearing into white box after login

Hi - I'm a league streamer and on my laptop I'm unable to launch the League of Legends client on my desktop.

The client will appear to launch, allow me to login, then appear as a white box. The client still appears to be launching, but I cannot see what I'm clicking or viewing- it just appears as a white box and the rest of the client is transparent.

I've tried to reinstall, launch in compatibilty mode, reinstall the client entirely, launch as admin, launch in 640 x 480, restart my pc multiple times, disable my firewall, and update/reinstall my graphics card. I'm at a loss. I have no idea what to do.. please help/advise/suggest,

Thank you! -Dreadstuff www.twitch.tv/dreadstuff