It's a conspiracy. I think they're trying to get us all to switch to motherboard audio.

That's great it's working. For me at least, on a clean install on Windows10 it was losing audio across reboots. Sometimes it would work, sometimes not. If you notice the same problem, try the drivers...

Yes, it's a desktop. Generally, yes, vendors release separate drivers for desktop and mobile. Typically, discrete Sound Blaster audio controllers are found in desktops. There may be some high end...

I was having the same issue with my X-Fi Titanium. I could get it to work, but would lose audio on a reboot. These drivers seem to be working ok so far:

Daniel_K's Official Blog

Scroll down and...