I was placed in Lower Priority Queue...
for a game in which I had disconnected from and rejoined.
Uh, what?
for a game in which I had disconnected from and rejoined.
Uh, what?
How long were you gone?
yea, that doesn't matter. DC / AFKing effects everyone in the game.
You don't get LPQ with just one DC, there must have been a consistent behavior of DCing / AFKing. Clicking around the fountain counts as AFK.
If you are having technical problems, please consult Riot support.