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Written-out/downloadable step-by-step instructions to sign in to D2L.
Help! My class isn't in D2L at all.
Did you take the D2L Orientation? Sometimes your classes will all be hidden from you until you do the lesson on how to use D2L.
Contact your professor -- if it's very early in the semester, they might need to activate the course. Classes are not available before the semester officially starts.