It is a laptop. I'm pretty sure the text typed into the password field correctly. I have changed the password on my miners from root to something else, but it is not overly complicated with special characters and stuff. I can still log in from my Mac laptops and windows PC just not the new windows 10 laptop.
I also tried login in in a new private window like someone else said to do, and it did not work.
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Bitmain needs better instruction on this stuff. I am also trying to replace a couple control boards and there are literally NO resources to get help. It says download instructions on Bitmain site, then the file is just a "simple" program with no help. I am afraid to take a control board out of a (broken but running) machine, because by the time I am done it may just be broken.
If I'm not mistaken, all of the boards, are, from the controller's point of view, identical. Each controller port is wired directly to the first ASIC in the chain and the PIC chip(buck control, health monitor). The boards may look very different but all of that is just tweaks regarding how they are laying out the power Handling and distribution. Moving the boards around should not affect a thing. Maybe you would like to send me those broken boards, if I can't fix them I'll buy them as donor parts boards.