Not sure which Edimax wifi adapter you used, also don’t know which JetPack SW onyour Jetson Nano, you may refer to below threads to see if can help:
How to setup WiFi Adapter using EDIMAX AC EW-7811UTC? - Jetson & Embedded Systems / Jetson Nano - NVIDIA Developer Forums
Edimax EW-78111Un V2 wifi setup - Jetson & Embedded Systems / Jetson Nano - NVIDIA Developer Forums