After installing Pro Tools, the CD Player in my Mac doesn't play

After installing Pro Tools, the CD Player in my Mac doesn't play.

With OS 9.x, booting up with the Digi Output Driver selected as a sound output source doesn't allow the Apple CD player to play.In order to play a CD, one must select Built In and then restart. A restart is not necessary with OS 8.6This is a known issue with Pro Tools 5.01

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