Before anything else, follow the instructions to create refresh disk(s) (in my manufacturer's cas it was 6 DVD's).
With this done, run the recovery to "back to as shipped from the manufacturer"
You are losing nothing and you are taking this opportunity, while under warrnaty to verify that the recovery works, with no real impact (other than time).
In my case running recovery from the revcovery partition, from the disks I created, and from the disks the manufacturer sent me all FAILED every attempt.
It tuned out that there was a known hardware problem (wireless card) that was fixed by the manufacturer. The recovery process then worked.
Again, IMHO it's better to find out right at the start on a machine with none of your applications and or data and while it is under warranty.
Differetn story of course when installing Windows 8 on a Windows 7 system...
From your article, when doing a refresh, "the Refresh your PC tool will find and backup all your data, settings, and apps. It will then install a fresh copy of Windows and restore all of your data, settings, and apps." I presume that it reformats the Windows partition before installing the fresh copy. I would certainly hope so. In that case, where does it put the data, settings, and apps? These could be 100GB or more.
Do "apps" include all non-OS software? Drivers, AV, Firewall, utilities, etc.?
Any other application that you install from a DVD or a download will have to be reinstalled.
In a Microsoft article titled "Two Windows 8 boot entries appear during Refresh your PC repair process"
When Windows Recovery Environment (Windows RE) is booted from a source that is not linked with the currently installed OS, Windows RE is unable to verify the Boot Configuration Data (BCD) boot entry for the current Windows installation. As a result, a new BCD entry is created for the Refresh process. On the first reboot of the Refresh process, two boot entries will be present in the BCD store for the same instance of Windows 8. As the Refresh completes and Windows boots into the refreshed environment, Windows is able to determine which BCD entry is needed and the duplicate entry is removed.
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