Win XP- invalid boot diskette in drive a? help please
i recently put a new 40 gig hard drive in my cpu because my old 8.5 gig was'nt cuttin it anymore. when i did this i had to get a new controller card because the old one didnt support it. then when i tried to install my freshly bought copy of win Xp home Ed, all i get is a message saying "invalid boot diskette in drive a, insert boot diskette in drive a. i have the cd-rom drive setup as the default boot device, i just dont know if the rest of the setup is right. ive been trying to figure out this problem for a month know so if anyone can help id appreciate it. thank you.