hi yesterday i bought a new 160 gb IDE hard drive for my dell dimension 4600. i bought it to replace my dead hd which i couldnt access at all through my cpu. i opened up the computer and replaced the hd physically, set it as the master drive and booted up the computer with my windows xp start up disk in the cd drive. after the boot screen come up and loads i get a message "strike f1 to retry boot, f2 for setup utility". if i press f1 the message appears again and if i press f2 i get to setup. i set up my cd drive to boot first, that doesn't work, i have no idea what to do or what i did wrong. the system reads my hd and my cd drive and my dvd drive but wont start up. can somebody please help me im not a major computer person. thank you.