How to turn V-Sync off in Skyrim PC
Please note that this post is over a year old and may contain outdated information.
Turning off V-Sync in Skyrim will improve mouse responsiveness, particularly in the menu, and may also increase frame rate. To turn V-Sync off, you need only add iPresentInterval=0 to the [Display] section of Skyrim.ini. Skyrim.ini can be found here:
If the [Display] section or iPresentInterval variable don't already exist, create them as needed. For example:
Windows 7:
C:/Users/USERNAME/Documents/My Games/Skyrim/Skyrim.ini
Windows XP:
C:/Documents and Settings/USERNAME/My Documents/My Games/Skyrim/Skyrim.iniIf the [Display] section or iPresentInterval variable don't already exist, create them as needed. For example:
[Display]
iPresentInterval=0