During installation, the installation when formatting to / from 33 % remains . Even after you cancel the installation and call the KDE partition manager is not possible formatting to ext4 . I then booted Kanotix and reformats the partition , then started Netrunner 17 Live and installs directly .
The structure of the plasma desktop takes the 1st time quite long ( black screen ) it’s ok from the 2nd restart .

As I fear it might be hardware related. (not reproducable)
Do you have any special formatted partition ? Do you use msdos or gpt partitionscheme ?

neptuneOS on BRTS think thats it