Ga Z77-D3H resets 1 or more times on start up

[matias]

Ga z77-d3h
F18

why is this happening ?? i changed my rams 2 times already and it still happens

my previous rams where

http://www.amazon.com/G-SKILL-Ripjaws-1600MHz-PC3-12800-F3-12800CL9D-8GBXL/dp/B004HZG4ZO x4 kits i ran them at 1600mhz

then the reset on start up happens after 2 days of trying to fix it

i changed my rams to

http://www.crucial.com/store/partspecs.aspx?imodule=BLT2KIT4G3D1869DT2TXOB

the same thing still happens

[ysw]

the latest bios is f19g and you may try to update it.
and load optimized default to check.