!!!911!!!Emergency!!!HELP If You Can PLEASE!!!

I do not think you should post call 911 in title. 

It's the USB 3.2 port. Also a Chromebook is not a good choice for anything.

Just to close this out,when the folks in Italy were ask by the UpScale tech about this they replied "whats a Chromebook"...USB on these are designed to run off PC or MAC drivers..Chrome OS not recognized by the Pathos,never should have worked at all,the hour or so it actually worked was blind luck..
 Just going to get a good Glass Toslink cable & run from there..Even then it's still the finest sound I've ever had..

I’d initiate return and look for other safer routes to avoid unnecessary clashes with the store or manufacturer. Return while covered by the store as see this issue with Pathos here not first time. I speak from the stand point of QA engineer (Quality Assurance).

Update:As soon as I finished posting the above I plugged an optical cable into my smart tv & ran to optical in on the Pathos,works fine,no drop outs,no disconnects..WTF???Thanks much..
PS:Supposedly Chromebook doesn't use drivers,only Mac & PC...

Unless someone else here has had the same experience with the same setup, your vendor is best source.  Or a very specific google search for the issue on the specific equipment will often yield good info if it’s a common problem.   Pathos is a somewhat esoteric brand so having a vendor with good customer support is especially important for when thjngs like this come up.  

You might check to see what usb driver is configured on the computer. It could well need to be changed to one that implements USB 2. Trying different usb drivers may well help. Default drivers on a lot of home computers are often not designed for best results going to an external higher res audio system .

I have run PC to Cambridge Evo 150 via usb and had to explicitly set USB mode to usb 2.0 and a different driver on the pc for best sound quality. Did not have disconnect issues but anything is possible case by case