See also Macintosh Guide Performa Tutorial for 12 Shortcuts 27–28 sources for 16 Hide Balloons (Guide menu) 26 Hide Others (Application menu) 40 hiding windows 40 Hierarchical File System (HFS) format for CD-ROM discs 46 High Sierra format for CD-ROM discs 46 problems using discs with 69–70 hotline for support 16 “Huh?” button 25 Index I, J I, J 13 Apple Desktop Bus (ADB) 5 blinking question mark 56, 74 bomb 51 CD-ROM disc 43, 44, 67–68 CD-ROM drive 67 color, for images on Photo CD, not displaye

See an Apple Authorized Reseller or Service Provider for additional information about this or any other warranty question. 42 Chapter 3 Working Inside Your Computer Opening the Computer 1 Before you open your computer, shut it down by choosing Apple (K) > Shut Down. 2 Wait 5 to 10 minutes to allow the computer’s internal components to cool. 3 Touch the metal PCI access covers on the back of the computer to discharge any static electricity from your body. Important: Always discharge static before

m The keyboard is not connected properly. Turn off the computer using the power switch, then check that the keyboard cable is connected properly at both ends. If you have a keyboard with an ADB port (marked with the . icon) on each end, turn off the Macintosh using the power switch and plug the keyboard cable into the other ADB port on the keyboard. (You may have to unplug the mouse to do this.) Then restart the computer. m The keyboard is damaged. If you have access to another keyboard, try usi