TherealRichCranium

Thanks for the help. I never before saved as a project (.3mf) The process to open the dishwasher part was alien to me. I can't tell you how it was I could (?)open gcode(?) in cura, maybe background instances stayed open, maybe paths led to different files... who knows. It seemed too convenient to be able to change printer configuration that easy, but I was going with it. Going forward I'll just have to save as a project before I slice.

Looking through all the posts on the net it looks like I shouldn't have been able to re-open ANY gcode in Cura. This is really strange because I had been until yesterday. I am sure I was and it was a regular part of my toubleshooting print issues. I would save it to the flash card, try to print, see an issue, stop the print, re-open the file directly off the card and make changes to the print setup and re-slice. Was I just lucky that my software load had a bug and it got fixed? That's a shame because it was nice to be able to just overwrite the filename of the gcode instead of having stl files and gcode files on the same card.

I didn't find any .3mf files. I may be explaining it wrong. Starting from an .stl I will open it in cura (both versions I have loaded) Make changes to the machine parameters or not, and slice. It asks to save to disk or removable disk and shows the time and materials estimate, I've done both. It saves as a Gcode file that my printer can use. In the past I could re-open the same .gcode file from either in the cf card or the hard drive and change the parameters like infill etc. then slice it again. Now every time I open ANY gcode file I get the print setup disabled message in the top right box. I can see the thing on the plate display in "preview" but in "prepare" the plate display shows nothing. The object list on the bottom left does say the file name. I just tried it again on a fresh file from Thingaverse in case it was my files that got corrupted, I get the exact same issue.

Both the 4.13 and the 5.2.1 were loaded with the defaults. How would I check / change it to be sure it can read Gcode? It sounds like that must be what changed since I could open projects for the last 2+ years.

Thanks for the reply. I have opened these before in Cura to modify the printing parameters, not the object itself. Now I'm really confused because you get the same issue as either my original load of 4.13.1 or the new load/ new computer 5.2.1. Last night I opened the file several times to play with bed plate adhesion and infill, after I made those changes I could slice it again and it would give me the time and materials estimate. Now nothing. Is there some setting that makes the Gcode file / printer setup non-editable? I even tried to first add a completely different printer (ultimaker S5) and it still has the print setup disabled. Screen shot is the new Cura on my second computer and a completely different file. I can see the object in the object list, bottom left and see how it will look in the preview. I'm sure it is something simple I did but can't imagine what it is.

Right up until last night I could open up previous gcode projects. But this morning when I tried, I get the error Print setup disabled. G code file can not be modified in the machine settings box top right. I tried several different files from different devices (shared drive, main drive and CF), none will open. STL files open fine. I thought maybe my computer did an update or something so I loaded the new version of cura on to a completely different computer and I get the exact same issue. I am completely at a loss as to how this could happen. Couldn't be viral since some of the CF cards I had files on were only used on the new computer. I attached a file I used last night and it worked but this morning won't. Did all my gcode files get hosed at the same time?? How would that even happen? The files on the card can still print in my Ender just fine but I can't open them to do modifications like I did yesterday. Sanding_Wedge_Screw strong.gcode