How to enable the GPS on your VAIO VPCZ-137GG

ENABLING THE BUILT-IN GPS MODULE ON YOUR SONY VAIO VPCZ-137GG
For those of you that own a Sony VAIO VPCZ-137GG (the only Sony Asia/South Africa Z-series model equipped with an embedded 3G card), the following procedure describes how to enable the GPS functionality on your VAIO notebook.
The GPS module is part of the 3G card, but the standard software and drivers that shipped with your VAIO has disabled the functionality of the GPS.

Disclaimer: Perform the software modifications at your own risk.
I will not accept any responsibility for any claims that may arise as a result of these modifications.

The steps described below assumes that you are starting from a fresh install i.e.
all the Sony drivers and programs have been loaded and the machine is in an original, factory-shipped state/configuration.

PREPARATORY STEPS
It is preferable that you do these steps on another machine connected to the internet, as you would need to download software and drivers, and modify one of the downloaded drivers.
You will be downloading these from other international Sony sites, and do not be concerned if the listed VAIO model numbers do not correspond to your VAIO VPCZ-137GG.


You would also need a flash disk/memory stick to save the downloads, as you would later need to transfer these downloads to your VAIO.

Preparatory step 1: Download the SmartWi

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