Mine is 32-bit, x86-based processor. Driver version is 16.8.1.0. As I said, I uninstalled it through the device manager and reinstalled. Since then it works.

Drivermax

And yes, I have the 57xx

I have version b57nd60x.sys

I went to device manager and uninstalled the Broadcom NIC. Then scanned for hardware changes and it reinstalled and has been working since. I do, however, have to disable and enable my wireless...