First, Download the driver from http://www.laptopvideo2go.com/ , then unzip it.
Second, Download the modified .ini file to the right of the driver download.
Third, replace the new .ini fil with the old .ini file in the 7590 Folder that was unzipped.
Fourth uninstall the old nvidia driver from Add or Remove Programs in the Control Panel.
Sixth, Install the new Driver.
Now you should be ready to go.