Solution 1:
For some reason, the option to change color depth was removed in Snow Leopard. SwitchResX can still do it I think, but that's shareware (10-day demo).
Reduce colors from Millions to Thousands
Solution 1:
For some reason, the option to change color depth was removed in Snow Leopard. SwitchResX can still do it I think, but that's shareware (10-day demo).