Use the Windows Command Prompt or a TFTP client (like Tftpd64 ) to upload the original .chk or .img firmware file. 2. Smart Wizard Utility

Before using software tools, try a "30-30-30" reset to clear the NVRAM: Hold the reset button for while powered on.

If your R6300 (v1 or v2) is stuck with a blinking amber power light or is not assigning IP addresses, use these recovery paths: 1. The TFTP Command Method

This is the most reliable way to force-load firmware when the web GUI is down.