Go to the System BIOS and check if CD-ROM is there as the first booting device. Or else, you can set it to and LINUX will get the boot image to the RAM properly. After the installation, set back the first boot device to the Hard Disk on which the LINUX is. I think this should fix the problem.
Hacking is an art that is to be mastered to get the rewards from it!
----Virtual Ranger - VR----