This is odd... I recently bought a used dual 1.8Ghz G5 off of eBay. I\ninstalled the new version of Tech Tools and found that one of the hard\ndrives has a bad sector on it. No big deal, I'll just install Tiger on\nthe other empty hard drive, make an image of the primary hard drive,\nwipe it clean, then reinstall the image onto the repaired drive right?\nWell I can't get it to boot from my Tiger CD now! I've tried double\nclicking on the installer icon, which should automatically make the\ncomputer restart and boot from the CD, except that when it reboots,\nit's still booting fromt the hard drive. Then I tried manually going\nin and setting my startup disk to the OS found on the CD. That had the\nsame results, still booting from the hard drive. Then I tried\nrestarting and holding down the C key... Same thing, booting from the\nhard drive. So then I tried to boot from an old Panther CD that I know\nshould work because I used to use it on my previous G3 computer. This\ntime it acted like it was booting from the CD but halfway into boot up,\nthe screen went gray (the screen with the gray apple in the middle and\nthe little spinning wheel underneath), and told me that my computer had\na problem and I needed to restart it by holding down the power button\nfor a few seconds and then pressing it again. So this is where I'm at\nwith it now. I'm at work now but tonight I was thinking of trying to\nmess with the master/slave settings on the DVD drive. I'm new to a G5\nbut I remember having similar difficulties with those settings on my\nold G3. That's really the only thing I can think of right now. I've\nrun disk utility and tech tools to try and repair anything wrong with\nthe startup disk but it's saying everything is fine now. The firmware\nis up to date as well... Any thoughts would be appreciated!!