Delete Alien software

My daughters computer will not start. she states she did not download a Alien program but this what I get when I try to reboot the system.

Try to install CD disc. When I get boot cycle and I run into this statement and cannot get past it:

Your CD/DVD drive during this boot cycle is f:

A RAMDISK drive is available for this boot cycle as C:

It contains several Hard Drive setup tools. Please use these tools only under the direction of Alienware Support Staff:

F:\>



What am suppose to enter after the "F" entry?

Thanks for your help