2 ram slots not working on my motherboard

[Technology_1]

mobo asus p8z68vpro
ram 32gb corsair vengence 1866 if other 2 ram slots would work
gpu gtx 980 gigabyte g1 gaming
cpu i7 3770k watercooled h55
psu axi 860i

hi my 2 of my ram slots are not working it dimm b1 and b2 help please

 

[t53186]

What steps did you use to determine both those slots are not working, did you move the working memory in to the bad slots to confirm.

 

[Technology_1]

yes