Have tried the F1, F2, F3. They don't do anything.
dg - When holding Fn, F1 opens the browser. F2 & F3 do nothing.
some more thoughts:
https://support.lenovo.com/au/en/solutions/ht501860
dg - I've tried all these many times.
The Realtek driver gets relaced by the intel(R) driver.
No...