Could be a dead PRAM battery. The computer will startup with a dead PRAM battery, but the screen brightness and contrast default to 0 - you need to use the buttons to increase both on bootup.
Post #3 by Forrest
| Source Forum | PowerBook 540C Problem — #3 |
|---|---|
| Category | Hardware |
| Post Date | Sun, 9 Sep 2007 - 08:10 |
| Original URL | https://68kmla.org/bb/threads/powerbook-540c-problem.9830/ |
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