io error

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  1. B

    RT-AC66U stuck in rescue mode & i/o errors fw uploads

    My router came up properly, I configured it, then it somehow got stuck in rescue mode (power LED blinks slowly). I have tried EVERYTHING to do with resetting and wiping nvram and loading new firmware (old, new, stock, merlin, tomato) via the Mac Restoration tool, the CFE web GUI firmware loader...
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