Win 10 won't switch between PC & MBox 3 clock.
 

I use PT 3 on Win 10 and use my MBox as both my recording interface and my general PC soundcard. I have just upgraded my MBox 2 to an MBox 3 and with the MB 2 when I switched on Pro Tools the audio worked fine and then when I switched off Pro Tools the pc recognised the change and altered the clock back so I could play music on media player or play You Tube videos etc with no problems. It won't do this with the MBox 3, once I've used PT and closed it down the pc won't switch back to internal clock and allow me to play pc audio through the MBox.

Ok, I've figured out I can change it in the MBox 3 control panel from 48000 to 41000. So I can either leave it on 41 or switch to 48 when I use PT.

Re: Win 10 won't switch between PC & MBox 3 clock.
 

Do not use your audio I/O box for system sound.

Re: Win 10 won't switch between PC & MBox 3 clock.
 

This^^^ has been the recommended setup for Windows users for as long as I can remember(going back to PT6 anyway). Now if you want all sound to come out of a single set of speakers, there are several ways to do that, such as:

1-(the cheap way) get a tiny mixer(Behringer, Mackie, Alto) that has at least 2 stereo inputs. Outputs from your interface and computer sound card plug into the mixer and the mixer feeds the speakers(under $50). Advantage: cheap and you can hear both sources together.

2-(the right way) get a monitor/source switcher(Presonus Monitor station, Mackie Big Knob, Audient Nero, etc). Advantage; adds talk-back and allows for several sets of speakers, and may allow for a digital connection(but does cost more). I run the optical SPDIF out of my PC and it sounds equal to my interface, where the mini TRS output of the computer sounds crappy.

For a home studio, the cheap mixer is just fine. For a studio with paying clients, go the "pro" route:D