Yes I did, also installed fresh windows 8.1 from usb device.

Inside is bios insydeh20, cant find any reset options. Is there any other option to reset it instead of opening my pc? I mean reinstall from usb device or something else?

Thanks for your replies.

54012
Well, it looks like that. Device manager see something, but there is no voice. Sound icon on the left down corner says " there is no audio output devices installed". Tbh I have no clue how to...

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