M18XR2 GTX980M Windows 8.1 64bit PCI\VEN_10DE&DEV_13D7&SUBSYS_05501028&REV_A1 PCI\VEN_10DE&DEV_13D7&SUBSYS_05501028 PCI\VEN_10DE&DEV_13D7&CC_030000 PCI\VEN_10DE&DEV_13D7&CC_0300 Download GeForce 347.52 WHQL Extract driver w/ 7-Zip/winrar Display.Driver folder -> open nvdmi.inf (notepad) CTRL+H -> Find What: ???? Replace With: 0550 -> Hit 'Replace All' -> Save. Extracted driver package -> run setup exe. I'm not sure what to replace in the nvdmi.inf with this new setup for drivers GeForce 347.52 WHQL. Got any tips?