Apple Macintosh PowerBook 150 - Manual (Page 23)

Restoring your System Folder
If your computer doesn’t start up anymore, replacing the System Folder may
solve the problem. If you used PowerBook 150 Backup to make a backup
copy of your System Folder, you can use PowerBook 150 Restore to replace
the damaged System Folder on your hard disk with the copy on your backup
disks.
To restore the System Folder to the hard disk, follow the instructions in this
section, using the floppy disks that contain a backup copy of your System
Folder.
Turning your computer off
When the PowerBook is off, the computer is not using any power or doing
any work. You should always turn the computer off before attaching other
equipment to it or replacing its battery. Also turn it off to conserve power
when you won’t be using it for several hours.
To turn the computer off:
m
If the computer is on, choose Shut Down from the Special menu.
m
If the computer is in sleep, wake it by pressing any key on the keyboard (except Caps
Lock), and then choose Shut Down from the Special menu.
13 Setting Up Your PowerBook