I am using a Mac Mini with a registered version of SwitchResX and a Samsung LA37S81BX that has a native resolution of 1,366 x 768. When I use the simplfied settngs and create a custom resolution at the size, the TV gives me a Mode Not Supported message.
Confused as to why, given this is the Native Resolution of the screen. Ive also noted some of the inbuilt resolutions (eg. 1024 x 768) are also doing this?