Apple Macintosh PowerBook 145B - Manual (Page 260)

The battery can’t be recharged.
m There may be a loose connection. Make sure all plugs are
securely attached.
m The battery may be damaged or dead. Obtain a replacement
battery from your authorized Apple dealer.
m The outlet may have no power.
m If the adapter or recharger is plugged into a power strip, the
strip may not be turned on.
m The recharger may be damaged. Try recharging the battery in
the PowerBook.
The computer goes to sleep too often.
m Open the PowerBook control panel and move the Battery
Conservation slider toward Maximum Performance.
The computer doesn’t go to sleep automatically.
m You may have selected “Don’t sleep when plugged in” in the
Options section of the PowerBook control panel. Click the
box to remove the X.
m You may be connected to a shared disk on the network. If you
are not using the information on the shared disk, disconnect
from it.
m The printer or modem port may be in use. Quit your
telecommunications program or turn off background printing
in the Chooser (if the documents you’re printing can wait
until later).
m One or more applications may be doing work in the
background. You can choose Sleep from the Special menu to
override them.
See Chapter 7 for more information about batteries and power
consumption.
248 Quick Reference