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Nighthawk R7000 is bricked and keeps restarting every few mins
Hi, I bought a nighthawk R7000 router. It was running smoothly for a few months. I downloaded and tried to update the firmware but then it doesn't turn ON and keeps showing that Amber Light. It also...
You can try the official instructions from Netgear (link).
If that doesn't work, then you may need to use a serial cable to recover. This requires you to open the router to access the serial port with a special cable that you can purchase. The cable is reasonably inexpensive (around $10). There are lots of instructions for recovering routers on the Internet. Here's one for the R7000 (link).
When I click the reset button and power it ON. Nothing new happens. The LED blinks as usual and it goes back to the amber light state.
When I click the reset button during the amber light state, it restarts and after a few seconds, again amber light state.
When I ping my router the value of TTL is 100. But the response continuously lasts only for 12 seconds.
During that time frame I execute the tftp command "tftp 192.168.1.1 put r7.chk"
Nothing happens initially.
Once the ping responses times out the tftp window says "Timed Out General Request Failed"
And note my router restarts every 20 seconds.
You can try the official instructions from Netgear (link).
If that doesn't work, then you may need to use a serial cable to recover. This requires you to open the router to access the serial port with a special cable that you can purchase. The cable is reasonably inexpensive (around $10). There are lots of instructions for recovering routers on the Internet. Here's one for the R7000 (link).
I fixed it by opening it up and hooking a USB TTL cable to it. I used a Serial monitor to activate TFTP and flashed the firmware.
Thank you TheEther for the tutorial.I think the firmware update process should be a lot simpler and secure than this! Shame on hardware manufacturers for putting out defective products and requiring monthly firmware updates to fix them!
