Can you post your system specs (which G4 is it), and what kind of camera, your system version, and so forth.<br><br>Did you do anything before this happened? Like, reset prefs?<br><br>Make sure you're using Apple FireWire NTSC or PAL (whichever is correct for your area - USA = NTSC, Europe = PAL) and give it a try then.<br><br>Post back with more info...<br><br>Cipher13<br><br>