Apple DUO 27C Laptop User Manual


 
Troubleshooting Symptom Charts/Miscellaneous (Continued) - 45
Miscellaneous (Continued)
PowerBook Duo 270c/280c:
1 Verify that Control Panel volume setting is 1 or above.
2 Check display cable connection.
3 Replace display cable.
4 Replace speaker assembly.
5 Replace logic board.
6 Return computer to Apple.
Red light on battery
recharger; battery
won’t charge
Replace Type 1 recharger with Type 2 recharger. Or replace
Type 2 or Type 3 battery with Type 1 battery.
Note: Use only Type 1 batteries in a Type 1 battery recharger;
Type 2 or Type 3 batteries will not charge. You can charge Type 1,
Type 2, or Type 3 batteries in a Type 2 battery recharger.