Apple Mac PowerBook 550c - Manual (Page 32)

Troubleshooting Symptom Charts/Power
(Continued)
- 5
Power
(Continued)
Low-power warning
appears
1 Recharge battery or attach power adapter.
2 Verify that peripherals are low-power.
3 Reduce use of floppy or hard drive, modem, sound, backlight,
or other power-consuming devices, or connect power
adapter.
4 Try known-good, charged main battery.
5 Try known-good power adapter.
6 Replace motherboard.
Computer runs when
plugged into wall
outlet but not on
battery power;
battery voltage is
within tolerance
1 Reseat battery to make sure battery is mating with contacts
on motherboard.
2 Replace motherboard.
3 Return computer to Apple.