Hello,

I am experiencing a critical issue with my TP-Link M7200 (Hardware Version: V3). The Wi-Fi SSID completely vanished and stopped broadcasting.

Here are the technical details and steps I have taken:

1. Current State: The Wi-Fi is totally dead. When connected via USB to a PC, it is recognized as an NDIS network device.

2. Web Interface: Accessing 192.168.0.1 loads the page layout, but the entire Web UI is completely frozen/responsive. I cannot click any buttons, login, or navigate.

3. Recovery Tool Attempt: I tried using the official TP-Link Firmware Recovery Tool for V3. However, the process fails immediately, throwing the error: "Fastboot handle cannot" (or cannot get fastboot handle).

4. Troubleshooting Done: I have already tried disabling Windows Firewall/Antivirus, changing USB ports (using USB 2.0), and performing a hard reset with a pin, but the device remains bricked in this state.

Since the bootloader seems reachable but the recovery tool fails to get the fastboot handle, is there a specific USB driver or a different flash tool/method I should use to revive this V3 device?

Thank you.