24" iMac refresh rate

I am having all those horrible problem with battlefield 2142 that everyone else is having, but i just found the file that has all the configurations for the game, such as the screen resolutions. My normal resolution is at 1920x1200, but the game resolution is stuck at 1024x800 @ 60hz. i tried to enter the larger resolutions including 1920x1200 but the game just crashes. SO thinking about it i think i have the wrong refresh rate. i went through system preferences and at the refresh rate says "n/a" as seen here....
!http://farm2.static.flickr.com/1165/1427575277e25330d756o.jpg!
i also checked system profiler... nothing....
!http://farm2.static.flickr.com/1237/1428482292a9cb9b3555o.jpg!
that being said does anyone know the refresh rates for the reolutions of the 24" iMac?
the help would be greatly appreciated by many including myself x100....

Roger Wilmut1 wrote:
I suspect that 'refresh rate' is only applicable to CRT monitors: my flat-panel iMac has it greyed out as well.
Not sure if the lack of refresh rate selection is normal for an iMac, but I can defnitely select the refresh for my 17" LCD monitor.
It seems more likely that the game simply won't work at higher than 1024x800 - particularly as 1920x1200 is a widescreen format and the game very likely wants a 4x3 format. Try setting your monitor to 1024x768
Some games will refuse to run at resolutions lower than 1024x768 or 800x600, but I've never heard of a game that would refuse to be set at a higher resolution…

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