Can't update G2 firmware - Connectivity Kit doesn't see calculator

[MikeSD]

I'm using a Dell, PC with Windows, with i7 processor.

Can't update G2 firmware - Connectivity Kit doesn't see calculator.

I've installed the latest 64 bit connectivity kit.
It asked if I wanted to download the latest firmware. I did.
I can see the firmware is in the location it's supposed to be..
I connected the prime G2, to the PC, by USB.

But when I click update Calculator, it sayss "no calculator connected"

I've checked the device manager and don't see any issues with USB

Any secret tricks to getting this to work?