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iBook G4 AC Light alternates green and amber

Discussion in 'PowerPC Macs' started by ATLvacilando, Jan 23, 2008.

  1. macrumors newbie

    I've got a G4 iBook that came in because the user thought the battery was dead. I tried the usual fixes, PMU, NVRAM, PRAM, different power adapter, etc. When I ran some tests (Coconut Battery) to see if the above worked, I found that the problem wasn't the battery (it still has 3888 mAh out of 4400).

    The symptom: The AC light alternates between green and amber even though the battery is only at 18% charge. It will stay amber for about 45 seconds then switch to green, vice-versa. It has been plugged in now for 2 hours + and has gone from 16% to 18%, so it does seem to be charging...

    I have adjusted the power saver so that the machine doesn't go to sleep or have the display dim as I thought sleep mode may have something to do with it.

    Any ideas?
  2. Moderator emeritus

    mad jew

    Does it look like there could be anything caught in the little power socket on the iBook? Some lint or dust could be impeding the connection.
  3. macrumors newbie

    Great idea! I took a look and blew out the socket with compressed air. No luck.

    Thanks for the quick response!!
  4. macrumors regular

    My iBook's adaptor needed a fair bit of force to push it in, I would be surprised if the owner has managed to lift the connector up from the PCB. The connections will need to be resoldered.

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