Hello. the machine? Asus Maximus viii Ranger mb, i7 6700k cpu, 32GB gskill ram, EVGA 750W psu, msi radeon r9 390 graphics, 500gb samsung SSD, 2tb WD HD, Windows 10. Person I built it for works from home. Average temp? 30c cpu, 32c gpu. VERY, VEEEERY randomly now, she's telling me she hears 3 sets of 2 beeps(beep beep, beep beep, beep beep) while she working. Like. Once a day, not every day type of random. The motherboard use to show q code 40 but now shows A0, WHICH all 3 of the machines I built show. Can some one PLEASE give me an idea where in the world could this beep be coming from??? thanks