Description: I encountered an issue where my NRF54L15DK development board fails to connect to my Windows 11 PC. Upon plugging in the board, the LED near the debugger starts blinking rapidly . Here’s what I did before the issue occurred: Used VS Code to compile and flash the NRF Desktop demo onto the DK board. Simultaneously, I attempted to connect to the VCOM (virtual COM port) using a serial communication tool. Shortly after, J-Link software popped up with a prompt, and then the board became unresponsive. After unplugging and replugging the board, Device Manager no longer detects it , and LD1 continues blinking rapidly . Question: How can I recover my NRF54L15DK board and restore the connection?

NRF54L15DK Development Board Not Connecting to PC (Windows 11)

Description:

I encountered an issue where my NRF54L15DK development board fails to connect to my Windows 11 PC. Upon plugging in the board, the LED near the debugger starts blinking rapidly.

Here’s what I did before the issue occurred:

Used VS Code to compile and flash the NRF Desktop demo onto the DK board.
Simultaneously, I attempted to connect to the VCOM (virtual COM port) using a serial communication tool.
Shortly after, J-Link software popped up with a prompt, and then the board became unresponsive.
After unplugging and replugging the board, Device Manager no longer detects it, and LD1 continues blinking rapidly.

Question:

How can I recover my NRF54L15DK board and restore the connection?