Do you have other sticks or can you borrow some to try? If same problem with other sticks looks like Mobo or CPU, if fine then prob time to RMA the sticks
So i tried switching seats and behold slot 2 is working. Ran memtest and passed.I could even install and run windows, however when i add stick nr 2 in any of the other slots it wont boot or it freezes on windows start up. Is it a mobo problem?