After boosting dead battery, battery gauge and fuel gauge stopped working

What is your question?

My wife's 2002 Ford Explorer had its lights left on, which drained the battery. I jump-started it, but after the boost, the gas gauge and battery gauge stopped working. The needles drop below zero. Everything else on the dash still works, though. I have checked the fuses (under the steering wheel AND in the central box behind the battery). All fuses are okay. I also checked the battery-to-chassis ground; all connections are clean and tight. I suspect that it might be a microprocessor on the dash display cluster, but I'm not sure. And if it is, I don't know if I would have to replace the entire cluster. Would anyone happen to have any ideas, please??? Thank you!