Can you provide us with your full Launcher.log and Player.log?
Start your launcher, click on Settings. Then click on the Launcher Logs button which opens a folder where you should find a text file called "launcher" (log is the filetype). Then click on Game Logs which will open a folder where you find the Player.log file.
Additionally, you could send us your Dxdiag file:
In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results. In the tool, select Save All Informatio.