If you hold down the Option key at startup (with NewWorld Macs, such as the iMac and newer models), you get the screen that allows you select the System Folder and partition that you wish to use as ...

CD/DVD tray eject problem solved? Andrew Kim reports that if the CD/DVD tray ejects during boot, it is caused by how some USB devices send an eject command to the system. Disabling certain USB devices ...