update reproduced the issue 4014 without lan controller on different machine. replace lan controller fix 4014 error. will update repairwiki for future case...

i having a similar issue, so your machine didnt restore at all without the lan controller or restored but didnt activate? already tried a bunch of stuff with this machine(no schematic) and want to confirm before tearing apart my hp dock to steal the BCM577762 lan controller. my donor already has it missing from last year where I had a machine that did boot and restore and had lan controller present in lspci, but ethernet didnt work...

no clue i only have rt809h was able to read write fine with rt809h...