My new HP Z800 Workstation is unable to work.

[Saleem's]

I recently purchase a new HP Z800 Workstation. It has 12 GB of RAM and Dual Intel E5530 processor. Operating system not installed yet. When I try to turn on my HP Z800 it shows only blue screen. When I insert Windows Xp CD then it ask to press any key after pressing any key it shows black screen only. This is very annoying. How to solve this problem??

[Ekon]

I am having same problem with my HP Z800 Workstation. When I try to install any operating system in my HP Z800 then its shows only black screen. I tried several times but same result every time. Now I am frustrated with this problem and I am not able to figure out a way. Could anyone tell me what is the problem? What can be the solution? Any help would be appreciated