> Further news - - - I went back to the usb stick.
>> (Remember that the installer had wanted to install on it and it took me a
>> bit to realize that - - - so I had corrupted the usb stick myself - -
>> - my bad!!)
>> Cleaned up the usb stick and tried an install - - - - still not sure
>> how I did it
>> but I managed to get a console.
>> ran # find /lib/modules/$(uname -r) -type f -name '*nvme.ko'*' | more     and
>> got /lib/modules/5.10.0-9-amd64/kernel/drivers/nmve/host/nvme.ko
>> the next command was # modprobe nvme.ko     whereupon I got
>> modprobe: FATAL: Module nvme.ko not found in directory
>> /lib/modules/5.10.0-9-amd64