MSI z97 gaming 5 not booting up after bios update

Solution
Try removing the graphics card, leaving single RAM module installed, connecting the monitor to the onboard and see if booting.
Test each RAM module.
thank for your help bro. it boots up nice now. but only when i'm not using dual memory.
tested the ram modules, both ok.
its just that DIMM 3 and 4 not working.
is it possible that DIMM 3 , which i had never used before, to get damaged?

thanks alot anyways !
 
single ram on both DIM 3, 4 each time does not work either .
btw. i updated tons of drivers, utilities + bios update that day. via msi liveupdate.

also about a week earlier, i replaced the stock cpu cooler.
but it was only after like 6 days after replacing cooler, a day after the bios update and stuff , that i had this problem.

But it's up and running now so thank you for your great help.
Also looking forward to a solution for the dimms.