Apple 540 Laptop User Manual


 
Troubleshooting Symptom Charts/Power
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- 6
Power
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Computer won’t
power up
1 Restart computer.
2 Connect power adapter and restart computer in 3–4 minutes.
3 Try known-good power adapter. Verify power adapter tip is
not chipped or cracked.
4 Try known-good, charged main battery.
5 Replace fuse on motherboard.
6 Replace motherboard.
7 Return computer to Apple.