You MUST use the OEM VGA driver on the ASUS download page UNLESS you have updated your vBIOS. Before you update your vBIOS, you MUST first update your system BIOS to 213.
Asus Maximus V Extreme BIOS 1903, see specs above avatar.
Asus G73 jh A1 laptop, BIOS 213, vBIOS OD2, 8 GB Ram, 240 GB Intel SSD, 180 GB Intel SSD. Win 7 Pro. Purchased new from PowerNotebooks.com in May 2010.
(both have 1920X1080 hd screens, mine above, hers below )
Asus G73 Sw XR1 laptop 8 GB Ram, 160 GB Intel SSD, 80 GB Intel SSD. Purchased used >Ebay 1/10/13, Did clean install of Windows 7