Troubleshooting

 

Symptom Charts/Power (Continued) - 6

 

 

Power (Continued)

Low-power warning

1

Recharge battery or attach power adapter.

appears

2

Verify that peripherals are low-power.

 

 

3

Reduce use of power-consuming devices or connect power

 

 

4

adapter.

 

 

Try known-good, charged main battery.

 

 

5

Try known-good power adapter.

 

 

6

Replace motherboard.

Computer runs when

1

Reseat battery to make sure it is mating with contacts on

plugged in to wall

2

motherboard.

outlet but not on

If motherboard includes removeable fuse, replace fuse.

battery power;

3

Replace motherboard.

battery voltage is

4

Return computer to Apple.

within tolerance

 

 

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Apple 170, 145B manual Power