I'm going to guess he went from 2.6.2 to 2.7. I would try deleting all the old 2.6.2 profile junk and then starting up 2.7 again. Cura 2.* doesn't always upgrade gracefully. If you do this you will lose all your profiles that you saved but it's probably worth it.
For windows it's in %appdata%/cura/ - just delete everything in there and it's okay to delete the folder itself. For mac/linux... well give us more info before we give you more info.
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ahoeben 2,026
"5"
Yes, that's my answer to your question. No, it is not helpful, but it is the best I can do with the amount of information you supply.
I can be more helpful by asking for more details, like from what version of Cura did you upgrade (and to what version), and what printer are you using? It might even be useful to share what OS you are running on if there is an OS-specific issue with the version of Cura you are using. But without additional information, we can only guess. And my current guess is "5".
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DidierKlein 729
5 is indeed a good answer
I guess you did this already but have you checked the speed settings?
Also which printer? filament ? etc...
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