Hi all, I have searched through various forums for hours but still no solution, so here I am.. I have an ibook G3 dual usb which was running Tiger but after an update to 10.4.11 I think it is, was running very slowly and the browser (i tried safari, camino and firefox) was constantly crashing. I have a back-up copy of retail Tiger on DVD as my original disc is scratched and no longer reads. I erased the hdd in hope of a clean install, but when I tried to boot from the dvd it just showed up with the flashing ? I know the disc will boot as it works in my G4 powerbook. I have since installed OS X 10.1 on the iBook. When I insert the Tiger DVD, I get the message "You have inserted a disk containing no volumes that Mac OS X can read. To use the unreadable drive...ect" What can I do to make the disc boot??? Thanks in Advance.