Your Macbook Pro probably reset to the external speakers. It happened to me a long time ago. If I remember you go into the Macbook audio settings and set it appropriately.
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Apple O/S system updates often cause this problem. One of the many reasons I was happy to get the Mac out of my system.
Try disconnecting the cable, rebooting both devices and then reconnecting the cable. Go back to Sound and see if it reappears in the list. If that doesn't work, call Apple support because it could be a hidden file that got corrupted or something similar that you'd never find on your own. Worst case you will have to reinstall your O/S. Frustrating stuff! Cheers,
Based on the above, it seems maybe some of your MAC's settings are incorrect. The link below is from Ayre Acoustics and should be helpful in reviewing your MAC settings to output to your Bricasti DAC:.
The above link references the Sound settings and also the Audio MiDi setup settings. It is possible that some software upgrade might of changed these settings.
Please let us know if any of the above work.
In addition to the above Ayre link, Audioquest publishes an excellent computer audio setup guide that is a quick and valuable tool to help you get your computer and your stereo system on speaking terms. It is specifically written to get iTunes working, be it in an Apple or Windows world. It includes several screen shots to help you find the right settings. Please see this link:
This link is very similar to the Ayre link so I suggest you check both web sites to ensure your Mac settings are correct. I use to have a MAC Book Pro Computer connected to my Bricasti M1 DAC and it worked fine. I recently replaced the MAC with an Aurender N10 Music Server.
Please verify the input selection source on your Bricasti DAC matches the output cable you are using. Based on the above, I believe you are using an USB connection so please confirm this is the input selection selected on the Bricasti. I also suggest you turn the Bricasti DAC on before you turn on the Mac Book computer. Please keep us posted.
zavato: I do not understand why your MAC Computer is not recognizing your Bricasti DAC (it should). Since you followed the Ayre DAC setup instructions, and your MAC computer is still not recognizing your Bricasti DAC, I do not know where to go next.
Please confirm the USB cable you are using works and that it is fully connected at both ends (sorry, I have to ask). If possible, you might try a different USB cable. Please double check that all your settings are correct.
>> I emailed my Bricasti contact and requested he contact you to help solve your problem. He already responded and said "If Zavota left us an email or phone number, we will get in touch with him on Monday to see what the trouble is". Please call their main phone number on Monday. Please keep me posted.
I would start with an SMC reset - May not work for sure, but an easy thing to try and has solved issues for my in the past.
NVRAM reset would be another thing to try if that doesn't do it
Best of luck we all know that it can be frustrating
I shipped my M1 yesterday and in record time, my M1 is now on its way back to me (helps that Bricasti is nearby). No hardware damage but the software was corrupted! The repair was to instal new (and latest) software. My M1 will be delivered tomorrow! Amazing and I want to thank the folks here and the folks at Bricasti for their great assistance.