Hi bambamshere and Welcome to ROG
You can just use the last one, which is 2501, use the USB stick method through your Bios. EZ Flash 2, Page 3.40 in your manual.
I would say it's the jack on your headphones, not connecting properly.
We owe our existence to the scum of the earth, Cyanobacteria
My System Specs:
MB:ASUS ROG Crosshair VII Hero/WiFi GPU:EVGA GTX 1080 sc PSU:Corsair AX-1200i
CPU:AMD R7 2700X Cooler: Corsair Hydro H115i Case: Corsair Carbide 780t
Memory:G.Skill TridentZ F4-3200C14D-16GTZR SSD:Samsung 500GB 960 EVO M.2
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