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Old 03-08-2018, 06:39 AM
dtmprod dtmprod is offline
Join Date: Dec 2005
Posts: 433
Default Re: PTHD 10 no longer working on 2009 Mac Pro upgraded to 5,1 firmware

I don't think the firmware upgrade is the problem. I did that about 3 yrs ago & PTHD 10 is working fine for me. You mentioned upgrading RAM, its the faster version, correct? I occasionally get this problem after a crash/lockup. Running disk utility to correct permissions usually helps. How about trashing prefs? Another thing to possibly check is the 'DigiShoeTool' in library/app support/digidesign folder. Make sure its set to 'read & write'.
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