Utility: Netgear R6300 Firmware Recovery
Keep holding reset and the power for another 30 seconds .
Manually set your computer’s IP to 192.168.1.10 and Subnet Mask to 255.255.255.0 . Netgear R6300 Firmware Recovery Utility
Connect your PC directly to one of the router’s LAN ports using an Ethernet cable. Keep holding reset and the power for another 30 seconds