@NancyJohnson If your PC has USB 2 and USB 3 ports you could try swapping from one to the other if you haven’t already. I suspect the power supplies may be derived from different points in the main psu as they have different current capabilities. You may just get lucky .
I've a notion that some dual action truss rods operate in the opposite sense to the vast majority. I can only think it was mentioned on here in the mists of time...
As a small person, I found the 35" scale quite a stretch in the lower positions, but the tone was Fantastic . The neck was quite chunky, but I'm convinced it contributed to the great tone. And this was only the Legend model.