Contents 5Drive Problems . . . . . . . . . . . . . . . . . . . . . 58Optical drive problems . . . . . . . . . . . . . . . 59Hard drive problems . . . . . . . . . . . . . . . . 60E-Mail, Modem, and Internet Problems . . . . . . . . 60Error Messages . . . . . . . . . . . . . . . . . . . . . 63Keyboard Problems . . . . . . . . . . . . . . . . . . . 64Lockups and Software Problems . . . . . . . . . . . . 65The computer does not start up . . . . . . . . . . 65The computer stops responding . . . . . . . . . . 65A program stops responding . . . . . . . . . . . . 65A program crashes repeatedly . . . . . . . . . . 65A program is designed for an earlier Microsoft®Windows® operating system . . . . . . . . . . . 66A solid blue screen appears . . . . . . . . . . . . 66Other software problems . . . . . . . . . . . . . 67Media Card Reader Problems . . . . . . . . . . . . . . 68Memory Problems . . . . . . . . . . . . . . . . . . . . 69Mouse Problems . . . . . . . . . . . . . . . . . . . . 70Network Problems . . . . . . . . . . . . . . . . . . . 71Power Problems . . . . . . . . . . . . . . . . . . . . . 72Printer Problems . . . . . . . . . . . . . . . . . . . . 73Scanner Problems . . . . . . . . . . . . . . . . . . . . 74Sound and Speaker Problems . . . . . . . . . . . . . 75No sound from speakers . . . . . . . . . . . . . . 75No sound from headphones . . . . . . . . . . . . 76