Resetting my resolution, MY SCREEN WENT BLANK!

I was checking to see what was the highest resolution i can set my monitor to and it would seem to work. when i got to one setting, the screen went blank and the montor it self said something about being out of range. the screen now stays blank and cant get it to come back on to change the setting to something i can see anymore. I have restarted the computer and can see the loading screen but just bfore it goes to the desktop, the screen cuts off again. is there some kind of "safe mode" or way i can get things to work again? right now i cant use the computer at all being i cant see anything
help!!!

Hi G F2:
There is a safe-boot mode: hold down the shift-key during startup; this may actually take longer than a normal boot, so don't worry.
If that doesn't work, you could try resetting your PRAM: hold the commandoption+pr keys during boot, and wait for three chimes (to be safe). Then let go and let it boot. This should restore to the default screen resolution.
By the way, I've done the same thing, and sometimes the only way to get it back is to connect a different monitor that has a higher resolution than what you're testing. Sometimes, using the up-arrow key will change the resolution back to a previous (lower) selection.
Good luck!
Andrew

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