Samsung Syncmaster 931c Monitor drivers work on both x64 and x86 versions of Windows. To install run the file and extract the content, manual installation may b erequired. To do this go to the Devce manager go to the monitor and right click update driver and manually browse to find the drivers you just extracted.
Samsung 931c Monitor Driver
File: 20070314094903703_SM931C.exe
75b00c6f9606381dc00ad24077d5108917db5f3aef55090c82ac20f3057817d5