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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

    #1
    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

    #2
    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

    #3
    Great idea! I took a look and blew out the socket with compressed air. No luck.

    Thanks for the quick response!!
     
  4. macrumors regular

    #4
    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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