Question IS my sound module damaged?

May 5, 2019
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I had sound working fine from the start (new system- aorus motherboard) but after i tried to connect a faulty rbg cable, the system shutdown, after a restart the sound stopped working but no driver errors. the only way i got sound was to connect it to my monitor via the graphics card. A system restore did nothing. do i just get a soundcard or is it fixable? and is there anyway to test my motherboards health?