I use j-link debugging MK10DX256VLH7 in KDS.Prompt error"Could not connect to target. Please check if target is powered and if ribbon" .How to solve it?
Did you check that
a) your target board is powered
b) you plugged in the SWD cable with the correct orientation
?
Otherwise, this checklist can help:
https://mcuoneclipse.com/2014/11/03/debugging-failure-check-list-and-hints/
Erich