Install/update drivers:
Tools like Driver Booster or Driver Easy can automatically detect missing or outdated drivers. Caution : Only use trusted software to avoid malware. awm 20251 console cable driver download fix
Do not use "driver fix" software. Use official manufacturer sites: USB-TO-RJ45-Console-Cable - Waveshare Wiki Install/update drivers: Tools like Driver Booster or Driver
Universal Console Connectivity: A Technical Analysis and Resolution Guide for AWM 20251 USB-to-Serial Cables awm 20251 console cable driver download fix
If the cable has a transparent casing or a removable shell, inspect the largest chip on the PCB.
Some legacy software (like old versions of PuTTY) can’t "see" COM ports higher than COM4.