Start9 Node not booting back up after aupdating Operating System -- Please Help

The only type of factory reset that exists is that guide I sent, where you’d explicitly choose an image to flash, and you’d choose the v0351 image.

Yes, but with many versions of image files, especially for 0.4.0 upgrade (my next move): I noticed I was able to recover to 0.3.5.1 using the standard image. Our previous 0.4.0 attempt used the Slim/FOSS image. For a Server Pure, should I be using the same image family as I used for 0.3.5.1 when testing 0.4.0?

The list:
Image Downloads

Thanks Stu, will try the SLIM/FOSS

We can close this out. This Bruce is good to go. Thanks @StuPleb !