MAC Firmware Upgrade

Finally got the mac to do a firmware upgrade.

I think in the end, the key thing was to
a)  Set the launchpad>System Preferences>Startup Disk to MAC
b) Use the App Store search for updates and install
c) Do it all about 3 times.

Now we have

Hardware Overview:

  Model Name: MacBook Air

  Model Identifier: MacBookAir5,2

  Processor Name: Intel Core i5

  Processor Speed: 1.8 GHz

  Number of Processors: 1

  Total Number of Cores: 2

  L2 Cache (per Core): 256 KB

  L3 Cache: 3 MB

  Memory: 8 GB

  Boot ROM Version: MBA51.00EF.B02

  SMC Version (system): 2.5f9

  Serial Number (system): xxxxxxxxx

  Hardware UUID: 5xxxxxxxx

Lets see what happens wrt video drivers on the windows side.
We have
Driver Version:   9.17.10.2932   working across extended desktop.
(2932 used to not work - So this is an improvement)