We'd like to help. To confirm, was your YouTube account suspended for copyright infringement? If so, have you appealed the suspension using this form: https://goo.gl/2AAOp2 ? Let us know.
You should've received an email with when the channel was suspended. Check the email and click on the channel name and share that URL. You can also try identifying the channel URL/ID from the bookmarks saved, if any or your browser history. Keep us posted.