Recently I have been experiencing my psu overheat without the fan coming on at all infact i think the fan is done but my cpu and gpu are just fine so is mobo vrms nothing is overheating, just the psu i have a 6700k oc'd to 4.7 and msi gtx armor 1070 +100core +300 memory i remember my psu fireing up it sounded like a jet engine the fan was spinning so fast but now it doesnt even spin at all. im not sure what this is i know its not good my psu is corsair tx750 v2 got it back in 2014 also i out a chasis fan on the bottom of it giving it air and it worked kept it cool but i im thinking i need a new psu