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I’ve got it working now. I ended up uninstalling DPS again, and manually deleted some kexts left behind by a previous Boom 2.0 installation, which I’d uninstalled. The leftover kexts were likely the culprit.
Ok. So I came back to the Mac a bit later to play a game and noticed that the volume controls were no longer working again. I had to turn DPS off and select Internal Speakers in Sound preferences again, in order to regain volume control. Just selecting Internal Speakers wasn’t enough.
I’m running Yosemite 10.10.2 on a late 2013 MBP Retina. I neglected to add that the Mute checkbox was disabled when DPSReflector was the selected sound device, so I couldn’t directly unmute it. Changing the volume only changed the on-screen display and nothing else.
Interestingly, I turned DPS back on as I was writing this and volume control worked. I checked Sound preferences and noticed that Internal Speakers was still selected, so I manually switched it to DPSReflector and it’s still working (for now). I’m now curious as to A) why it’s working, B) why it’s still not selecting the DPSReflector when I turn DPS on, and C) why I can now mute & unmute the volume when DPSReflector is selected.
I did need to reboot for something last week, and I took the opportunity to reset PRAM and SMC. I’ve rebooted multiple times since this version of DPS was installed, so the fact that it’s working may have something to do with the resets.
I’ve not been able to change the volume when DPSReflector is selected in Sound preferences, although the on-screen display shows that the volume level is supposedly changing. Mute is checked in the volume slider in Sound preferences. Turning DPS on or off doesn’t affect the volume slider at all. I can manually change the volume with the slider though.
I’ve uninstalled and reinstalled DPS 1.0.7 a couple of times now, and I’m still unable to change the volume. I’ve also gone through the Setup Helper, which tells me to do what I’ve already done.
I’d love to know why Apple’s been sitting on this for the better part of a year. Also, have you had an opportunity to see if they’ve addressed these issues in the Yosemite beta?
I just about blew my eardrums out this morning when I clicked “Re-sync audio buffers” in an attempt to clear up a low volume issue & DPS crashed. I’d killed coreaudiod prior to that, but it didn’t resolve the low volume, which wouldn’t adjust even though the on-screen volume indicated otherwise.
FWIW, I experienced some sporadic audio drop-outs in Spotify this morning, which I hadn’t noticed before. It hasn’t occurred in the past couple of hours though.