This is only happens when another mod is conflicting.
So make sure you don’t have other mods in your community folder that might affect the G3000 or Longitude. Some examples are previous WT mods, Longitude FDE, new lights mod etc.
The Bug Report category is for confirmed bugs without any mods/addons. If you still have this issue after removing any mods, and the community can confirm it may be a bug, you may then create a new bug report.
No. These are the new instruments integrated into the sim.
Try to run with an empty community folder. That should work. Then add things back in to see which one might be the culprit.
I had the same problem. The Cessna Longitude was working fine after the latest update, and I was learning about the displays and other nice features. But the next day when I loaded this plane the screens were as described here. Ended up moving everything I could to another drive. Not all files in the Community folder could be moved. However after this was done the Longitude worked. Now I am going to start adding files back from the other drive and see if the Longitude still works. Hope this can be resolved. This is the first time I have had this problem. This did not occur with the CJ4, which I tried before removing the files from the Community folder.
I moved the Flightsim Studio E-175 back into the Community folder from the other hard drive and tried to select it in FS2020. When I selected it, got the following: ‘ACTIVATION FAILED - Check product installation’. Tried reinstalling this plane, with same result. Sent a message to the FSS forum. Then moved the Cessna Chancellor 414 back into the Community folder, and it appears to be working OK. So some planes cannot be moved back into the Community folder? Will try some other planes. Also I have a lot of scenery files to move back into the Community folder and try.
Make sure MSFS is not running while moving packages around, because used files can/will be locked.
You also only will see changes when restarting the sim after moving packages around.