ok. short version is that i wanna do a fresh install of os x tiger on a mid-2007 imac using the disc that came with the computer. disk utility says disk is repaired and it is verified. then i proceed to install os. a couple times got error during installation. but i have gotten through the end three times after that already. the problem is that when the computer restarts it goes back to the install disc setup asking for country and then the install process all over again. when i check disk utility, it looks like it physically installed files on the drive. then the disk inevitably is in need of repair or can't repair until i erase the disc again in which case disc repair and verify disk says ok. i even tried erasing the disc with 1-pass zeroes. does anyone have a clue as to what is wrong? is my harddrive dying? or maybe my optical drive is no good? i am suspecting optical becaue of how long it takes for the installation process. but i don't really know. i haven't looked at the system logs. maybe i should do that next time. any help would help. thanks in advance.