Hi I bought an 27" iMac in march last year: 2.93GHz Quad-Core Intel Core i7 4GB 1333MHz DDR3 SDRAM - 2x2GB 1TB Serial ATA Drive ATI Radeon HD 5750 1GB GDDR5 SDRAM 8x double-layer SuperDrive Yesterday it started making noises(the harddrive I'm guessing), and finder among other programs stopped working. So I reboot and then OSX (10.6.8) won't load, all I get is the flashing question marked folder. I checked online and it said something about holding down the option key during the startup. That doesn't do anything except the question mark folder doesn't show up, the only thing that does show up is the mouse arrow, nothing else. On the same web page it said something about holding down the C key, that however doesn't do anything, at all. Slipped in the install dvd into the drive and tried running disk utility and repairing the harddrive, it only fails. What do I do now???