Thank you Epoc19170 . It worked like a charm.

Tried the pixel boot on windows and found etc/fstab was essentially empty and furthermore I did not have write access (probably my own ignorance).

Thank you Epoc1970 for the suggestion. Doing so I am allow to edit fstab but then when I exit I get an error "Error writing /etc/fstab: read-only file system" I did use sudo.

Hi all. I am new here and new to raspberry pi and linux but doing by best to learn. I am have a pi 3 for retro pie. I tried to mount an external self powered hard drive so that I could bring large size roms to my sd card. I made an error in the fstab (almost certain) and when I saved and rebooted I ...