Installed a 780m in my m17x r3. Computer keeps freezing. Can't install drivers.

So I got my 780m in the mail today and installed it following this video:

The card came already hooked up to the heatsink + x-bracket + thermal paste / pads. So all I had to do was take out my fan, take out the 6970m w/ heatsink, screw in the 780m w/ heatsink, put fan back into place.

I followed the guide found here: http://forum.notebookreview.com/thr...-questions-concerns.722670/page-4#post9324676

I have thew...

Installed a 780m in my m17x r3. Computer keeps freezing. Can't install drivers.