Sounds like you’re thinking of 538’s election needle, not polling data. If a candidate has 60% of the votes in a poll, assuming the poll is accurate, they win 100% of the time. The standard deviation on a population this big is practically 0

Reattaching the connector is relatively easy. But unless the pcb itself is really mangled, a missing connector won’t affect the computer POSTing. Can you send a closeup of where the connector should be?