i have antec h2o 1250 water cooler with i7 4790k 4.6 voltage 1.280 its was stable but after 2 years its goes to 74C-100C Load some games cause bsod after 100% Load cpu do i need change my thermal paste ? i bought CoolLaboratory Liquid Ultra and i was thinking change to air cooler like Thermalright LE GRAND MACHO RT will it fix my bsod and high heat in my cpu? sorry for my bad english