820-02841 wifi not detect

[thomamagic]

hello
i have mainboard 820-02841 without wireless logo
we have test restore os same
we have restore in dfu same
sometimes i have logo but when we click no responding
no short on line PP3V8_AON_WLBT / PP1V8_S2

 

[2informaticos]

Any history available?
What appears in system report?