820-00281-01 a1707 critical software

hello got this with critical software update. board is clean.
can boot into safemode.
i think customer having this issue after he software update.
i tried format and install via bootable drive (catalina) still same issue.
i tried good known working topcase and reinstall os is the same.
based on this https://boards.rossmanngroup.com/th...ical-update-bootloop-no-visible-damage.61220/
probably the same issue. if yes can u give mi clean bios?
if not is there something that i can do?
thanks in advance.
 
Last edited:
after i tried this got folder icon blinking,
i tried use my usb bootable installer it says:
your computer is disabled try again 59minutes
 

2informaticos

Administrator
Staff member
Inspect connectors and board area related with touchbar.
Maybe knocked off component, or broken trace; pay atention to small series coils from data lines.
 
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