I believe that CD and DVD work use different wavelengths - dvd using a shorter 
wavelength to help get the higher capacity.  To implement this dual lasers are 
probably being used.  So perhaps the CD laser has died, but the DVD laser is 
still working fine?

Neil

> -----Original Message-----
> From: WAMUG Mailing List [mailto:[EMAIL PROTECTED] Behalf Of John
> Reed
> Sent: Friday, 16 July 2004 6:07 PM
> To: WAMUG Mailing List
> Subject: Ti powerbook cd drive problem
> 
> 
> I have a g4 ti powerbook 667mhz with a CD read/write and DVD 
> player.  The
> DVD is working fine - just installed Final Cut using it.  
> However it does
> not recognise a CD, and spits it out.  Anybody got any ideas?
> 
> Cheers
> John
> 
> 
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