I successfully minted an NFD and did it by NOT using a ledger - because I read the huge warning message saying I can't use a ledger at this time.

SSBzdWNjZXNzZnVsbHkgbWludGVkIGFuIE5GRCBhbmQgZGlkIGl0IGJ5IE5PVCB1c2luZyBhIGxlZGdlciAtIGJlY2F1c2UgSSByZWFkIHRoZSBodWdlIHdhcm5pbmcgbWVzc2FnZSBzYXlpbmcgSSBjYW4ndCB1c2UgYSBsZWRnZXIgYXQgdGhpcyB0aW1lLg==