OK - just realised that the three ISO’s on the recovery page here: WD Sentinel DX4000 or RX4100: Reset to Detault (Recovery) are for different locations…
I am in the UK and just clicked the first one (PAN/AM - USA)… DOH!
_Thanks to this post: https://community.wd.com/t/dx-4000-factory-reset/86503/2_
Downloading EMEA now, and wuill perform all steps again before posting update here.
Hopefully, maybe, this might be it… I’ll be back shortly…
