Apple PowerBook (Duo 270C) - Manual (Page 6)

Chapter 6 Power Management 87
Power sources 87
Monitoring the battery charge level 88
Using the Battery desk accessory 88
Responding to low-power messages 89
Recharging the battery 90
Recharging in the computer 90
Recharging in a recharger 91
Recharging in both the computer and a recharger 93
Removing or replacing the battery 94
Maximizing battery life and work time 95
Disposing of dead batteries 96
Replacing the backup batteries 96
Reconditioning the battery 97
Maximizing work time 99
Ways to conserve battery power 99
Adjusting the battery conservation settings 100
Using the custom options 101
Chapter 7 Using Disks 105
Preparing a new disk for use 105
Initializing a hard disk 105
Initializing a floppy disk 107
Erasing a floppy disk 108
Designating a startup disk 108
Scanning order for startup disks 109
Protecting the information on a disk 109
Locking a floppy disk 109
Locking a file 110
Backing up your files 111
If you can’t save files on a floppy disk 111
Ejecting a disk 112
If you can’t eject a floppy disk 112
Caring for disks 113
Hard disk precautions 113
Testing and repairing disks 113
If a hard disk icon doesn’t appear 113
Using Disk First Aid 114
Testing a hard disk 116
vi Contents