1) Open up PvP client, do not log-in.
2) Close PvP client.
3) Open up PvP client.
4) Log-in, and check your own summoner profile.
5) Exit PvP client.
6) Check your logs in League of Legends/air/logs (it should be the latest one for the most updated ELO)
7) Ctrl + F: unranked
There you go.
EDIT. You dont have to do steps 1 and 2. Rep would be nice to!