Common Problems with AV Sequences

There are a number of common problems related to audio or video sequences. These include the following:

No audio

  • Sound turned down or muted on computer system.
  • Speakers or headphones unplugged or not switched on.
  • No soundcard present.
  • Soundcard driver corrupt – re-install Driver.

No video

  • Flash software failure – Install latest version of Flash.
  • The video may have been encoded with a codec not present on your computer – install correct codec.
  • Audio and video being out of time (also known as out of sync).

There are many other problems that may occur, please check the Audio FAQ at
and the Video FAQ at

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