Rather embarrassingly the problem seems to be one of misinterpretation on my part. On rerunning piwiz without selecting the "Use English Language" checkbox on the "set country page" everything is fine.

I agree there seems to be a problem with piwiz setting locale during setup. I should have posted here rather than where i did initially.

viewtopic.php?f=28&t=286940&p=1735083#p1735083

I agree that piwiz has this problem for at least 2020-05-27 and 2020-08-20 releases of "Raspberry Pi OS (32-bit) with desktop and recommended software". I have not looked further back. I'm no expert when it comes to locale setting, but I had to make manual changes to /etc/default/locale af...

Thanks @pidd i'll look into it and report back to the thread. Edit 1 follows [2020 july 12]: Reporting back. I tried these chokes: https://www.amazon.co.uk/gp/product/B07P2CNYMF/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 I previously discovered that most of my noise problem was due to runn...

I made some edits in another thread about USB3 noise with SSD and HDD when an 8GB PI4 in cased in an Aluminium enclosures stopping 2.4GHz wifi associating. It seemed like this thread is a better home for them if any one is looking for an explanation to their problems (I removed the case as a last re...

I have an Orico enclosure: httphs://www.amazon.co.uk/gp/product/B074S2ZT9M/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1 and KingDian 120GB SSD: https://www.amazon.co.uk/gp/product/B00WVZKZMU/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 and I am also having difficulties with this. It...

I have an Orico enclosure: httphs://www.amazon.co.uk/gp/product/B074S2ZT9M/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1 and KingDian 120GB SSD: https://www.amazon.co.uk/gp/product/B00WVZKZMU/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 and I am also having difficulties with this. It...

I have a data point for usb3/ssd interfaces. The "UGREEN USB 3.0 to 3.5-Inch SATA External Drive Enclosure" causes too much electrical interference for my wifi to associate reliably on an 8GB 4B Pi at USB3 speed. Its fine at USB2. From my notes, lsusb report details VID=174c:PID=55aa, ASM1...