You cannot fix the driver without knowing the exact chip. Here’s how:
Method A – Windows Device Manager (without driver installed):
Method B – Use USBDeview or Zadig (free tools):
No VID/PID? The cable might be dead or require physical inspection – open the USB connector carefully (if you’re experienced) and read the IC marking.
Before a driver can be downloaded, the user must identify the Device ID.
Windows will block the unsigned legacy driver unless you temporarily disable enforcement.
Option A (One-time boot):
Option B (Permanent test mode – easier for repeated use):
Once installed, your AWM 20251 should appear under Ports (COM & LPT) as Prolific USB-to-Serial Comm Port (COMx) with no yellow mark.
Test it quickly:
1. Verify the Correct Device Model
Ensure you have the exact name and model of your device. Common mistakes involve misspelling a brand or model number (e.g., "AWM-2021" vs. "AWM-20251"). Search online for the device’s official specifications or user manual.
2. Use Windows Built-in Tools
Most modern Windows operating systems (Windows 10/11) automatically install necessary drivers for USB cables or gaming console accessories. Try:
3. Download Drivers from the Manufacturer’s Website
If your device is recognized but outdated, visit the official manufacturer’s support page. Search for the driver using the exact model name and operating system. For example:
4. Try Generic USB Drivers
Many console-to-PC connections (e.g., Xbox One/Wii U) use standard USB drivers. If updating via Device Manager fails, try:
5. Use Third-Party Driver Tools (Optional)
Tools like Driver Booster or Driver Easy can automatically detect missing or outdated drivers. Caution: Only use trusted software to avoid malware.
6. Contact Device Support
If the device is still under warranty or from a niche manufacturer, contact their support team for assistance. For example:
7. Safe Mode Workaround
If the driver prevents your system from starting normally:
These chips are cheap and widely used on AWM 20251 cables. Drivers are stable on all Windows versions.
Official source (WCH):