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Forum Discussion
R6220 only showing USB LED light, not even the Power light is on
We just got a new internet service and are trying to connect to our R6220 router. It seemed to be working at first and we were prompted to do a firmware update. The update ended (we are unaware if it ...
> [...] I tried using a tftp utility toflash the firmware without
> success. [...]
The TFTP recovery scheme is a multi-step procedure which offers
multiple opportunities for user input, hence user error. By itself,
saying that you "tried" it doesn't say much. "without success" also
provides approximately no useful information. (One bit, I suppose.)
As usual, showing actual actions (commands) with their actual results
(error messages, LED indicators, ...) can be more helpful than vague
descriptions or interpretations. Especially when using a command-line
program, copy+paste is your friend.
I got the log from serial port and it's seems like the flash chip got too many bad blocks. So we have to change the flash chip from pcb and then we will be able to perform nmrp flash. I haven't tried this because I don't have enough tools to perform this. I got this info from https://github.com/jclehner/nmrpflash/issues/69