3D Printing Forum

Somehow messed up settings on my Ender 3 V2, 4.2.7 board, no BL Touch, etc. Got latest firmware files from Creality, un-zipped, copied to FAT32 formatted 8gb card and flashed. The screen controls are OK but when I go to print, it reports 'BACK' and no other action or message. Bed and nozzle heat OK. Renamed the main board firmware, re-flashed, but results are unchanged.  In short, all looks good but print won't initiate.  Any Ideas?

This refers to the post I made just minutes ago. Didn't notice a way to edit.
A related problem--when I click auto-home, the nozzle goes to the normal left front-corner position and raises 3 or 4 mm, but won't go back down toward the bed.  The X-stop has been repeatedly adjusted but doesn't help. Any and all help is appreciated!

(Dumb me--Now I find the edit icon!!!)

Hello after posting you will notice icons in the upper right hand side of your posted message.
A pencil, an exclamation mark, an quotation marks clicking on the pencil you edit your post.

attached below

Yeah, I finally got it but thanks for the note anyway!