Overclocking an alien ware aurora

[IknowLITTLE]

so a buddy of mine has an alienware aurora that he bought around christmas. its liquid cooled etc.. so obviously i asked why it wasnt already overclocked. he told me he didnt know what overclocking was so i explained but then he told me that was going to void the warrenty. so i said fine and figured that overclocking the gpu wasnt going to void the warrenty atall. so i went into the ati program and noticed it was all gray, non of the sliders worked nothing. so here i ask, is overclocking the gpu going to void the warrenty? and also why is the ati overclocker showing up all gray like that? thanks. and remeber im pretty nooby myself.

[thatguywhy]

As far as i know, and understand it does void your warranty.
I think you should read over the original documents that came with ti

[IknowLITTLE]

alright that awnsers one question but does anyone know why the video card over clocker (or ati control panal) is all gray? meaning none of the sliders work?