Like they say in the thread, do not upload a diffrent Nv-ram data to the machine...
Anyway what you can try if nothing else work is to save the NV-ramdata to your SD-card, and then make a ram-clear. (Print SMC-list (all) first).
If the Mc then work you know there is an error in your old NV-ramdata. If it still a problem to the machine just download the NV-ramdata from your SD-card again.
I thinke you allready tried this, but sometimes I found new fusing-units that need to be run sometime before it work silence. try make about 300 copies or something...
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