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Home Forums Macintosh Portable only works when connected to the AC adapter — #3 Macintosh Portable only works when connected to the AC adapter — #3
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It needs to run off the battery.  Re cell the battery and use the 1.5 amp charger or you will cause nothing but problems.  Do a search and you'll see pages and pages of issues.  Technight and Uniserver will expand on that more.

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