You may have checked this already, but can you check in your BIOS to see which channels your DVD/CD and your HDD is on:
Primary Master - HDD? Primary Slave - ??? Secondary Master - ??? Secondary Slave - ??? -- Ubuntu fails to boot with read errors when there is a cd/dvd in the drive. https://bugs.launchpad.net/bugs/506249 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs