No USB/Sound on 15" powerbook

Discussion in 'PowerPC Macs' started by moofnix, Feb 18, 2009.

  1. moofnix macrumors newbie

    Feb 18, 2009
    The input on my dc in/sound card shorted so I replaced it (myself) and now the sound and USB on the left side of my 15" powerbook don't work. I replaced the dc in card again but still no sound. I have reset the vram and the open something or other to no avail. Any ideas what might be wrong? I was thinking it might be a problem with the cable that connects the dc in/sound board to the logic board? But I don't see why that should have shorted out.

    If it helps: Before I changed the soundcard I recharged my battery on another computer and the sound still worked, with the former DC-in/sound board. When I use the volume control on my computer (with no sound, obviously) it seems like its lagging a bit to indicate that its turning the volume up and down.

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