If the driver is installed but no COM port appears, your AWM 20251 cable might have a hardware fault, or the USB port on your laptop is underpowered. Try a USB 2.0 port or a powered hub.
The following sources provide the most current drivers for cables built with AWM 20251 wiring: Drivers - FTDI awm 20251 console cable driver updated
If your cable stopped working after a Windows update, or you are seeing the dreaded "Code 10" error, this guide is for you. If the driver is installed but no COM
Look for a device with a yellow exclamation mark under "Other devices" or "Ports (COM & LPT)" . Look for a device with a yellow exclamation
Usually found in high-quality Cisco, Aruba, or Juniper cables. Prolific (PL2303): Common in budget cables. Silicon Labs (CP210x): Used in many modern micro-USB or USB-C console ports. 2. Updated Driver Sources (2025-2026)
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