window server 2008 R2 install

Hi

I want to install WINDOW SERVER 2008 R2, in my HP laptop, Laptop is having

Win8 pre-installed by hp.

I try to install it from win8, also try press F9, for booting nd select install from

DVD/CD. but System not able to boot. its showing black screen nd geeting

stuck.

Pls tell me how to install WINDOW SERVER 2008-R2 .

do i need to format my original Win8 from my system nd installl Window server 1st then

Win 8???

Thanks

Ravi