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  #1  
Old 11-25-2013, 01:13 PM
shotar shotar is offline
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Default Fast Track C400: No sound after switching USB Ports

Hey,
when I connect my C400 on the USB Port in my Thunderbolt Display it is not working (Control Panel says it is connected and Streaming, but there is no sound). When I connect it on one of my USB Port directly at my MacBook Pro it works fine.

Strange... because it was already working connected to my Thunderbolt Display some weeks ago. It think it isn't working since I disconnected my MacBook from my Display one time and reconnected it.

Latest drivers installed (v1.2)

Any idea?
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  #2  
Old 11-25-2013, 01:44 PM
mesaone mesaone is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

Have you restarted after plugging it into your display?
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  #3  
Old 11-25-2013, 02:12 PM
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YYR123 YYR123 is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

.....and or trashed your prefs?
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Old 11-25-2013, 03:30 PM
mesaone mesaone is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

Quote:
Originally Posted by YYR123 View Post
.....and or trashed your prefs?
I doubt this is a pro tools issue, I think it has to do with the audio interface driver and/or coreaudio not recognizing something.
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  #5  
Old 11-26-2013, 12:02 PM
shotar shotar is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

yes, i think this is a Mac problem. The vu-meter in the Control Panel shows also no activity when i play music.

any ideas where i find something about it? I'm using OS X 10.9
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  #6  
Old 11-26-2013, 12:15 PM
mesaone mesaone is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

And you've already installed the 1.2 drivers from here, then? And you're using Pro Tools 11.0.3? http://avid.force.com/pkb/articles/d...k-C400-Drivers
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  #7  
Old 11-27-2013, 12:25 PM
shotar shotar is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

yes, 1.2 is installed. i never installed pro tools.
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Old 12-08-2013, 08:59 AM
Mcflyaudio Mcflyaudio is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

Hi, same problem. Start fast track c400. Then go to utility and then processor activity. There is a launchdeamon from m audio that doesn't start. I think it needs a mavericks update. My 2e mac with mavericks the m audio works.
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  #9  
Old 02-22-2014, 12:48 PM
Mcflyaudio Mcflyaudio is offline
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Default Re: Fast Track C400: No sound after switching USB Ports

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