Mac Pro Sound cutting in and out

I just got a new Mac Pro (OSX 10.11.6) (3.7 Ghz Quad Core, 16 GB of Ram, Dual AMD D500 GFX, 500 GB Solid State Drive)

When video editing in Premiere Pro and sometimes listen to music in Google Chrome, the noise stops.  And it seems to be a bit random and sometimes simply minimize windows and change windows sound coming back.  I've dealt with it for a week now and can't really nailing a model, but it seems that if I switch to a different app and use it for a while and go back to Premiere Pro the sound sometimes works again.  This seems to happen in Google Chrome while listening to pandora when I adjust the volume of the sound will just completely disappear for a time seemingly random.

Also, I'm quite surprised by the slowness of the system seems to be.  Maybe my expectations were off line, but for a 4 000 dollar computer I expect quite easily handle HD videos.  I'm from a Canon C100 video editing and it's quite ordinary 1080 HD video and preview is set to 1/4 resolution, and the system is really slow.  It seems to fall 70% of executives in the Preview Panel and any action I take have as a half second delay on this.  Is this normal?  I have a personal computer at home that I built to about 1 k and do that kind of thing, no problem.

I appreciate of course any help you guys can provide.  I need to get this stuff flattened and so I can get some work!

See if a Safe Mode speeds up your Mac a little. Remove the system caches that could make a difference.

Follow these steps to start in safe mode.

  1. Start or restart your Mac.
  2. As soon as you hear the startup tone, hold down the SHIFT key.
  3. Release the SHIFT key when you see the logo Apple appears on the screen.

After the Apple logo appears, this may take longer than usual to reach the login screen or your office. This is because your Mac performs a check of directory of your drive to boot in safe mode.

To leave safe mode, restart your computer without pressing any keys during startup.

Tags: Mac

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