System keeps crashing

[erikvind]

Hello
I have build my new computer.
system specs:

 

MB: Msi Mpower z97 max ac

CPU: I7 4790k
RAM: Geil Black Dragon 2 * 8
GFX: Msi Gtx 980 Gaming g4
SSD: Ocz Vertex 4
PSU: Silverstone strider 750w

 

The system is realy inconsistant, some time it is stable and some times it keeps crashing.
the ram is set to run on its xmp profil. I have disabled Turbo for the cpu in the bios.
when it crashes in windows I even have trouble getting into the bios.

[Arcanekitten]

with crashes you mean blue screen ? if so i might be the driver for gpu also when it crashes what are you doing ?

[erikvind]

everything stops, cant do anything, mouse ketboard screen sound not reactingt. and if I am playing a game the sound stutters, the same 0,5 sec in repeat.
but if it should be the gfx drivers, then why is it crashing when I am in the bios.

all the drivers are up to date

[vSyNd1c4t3]

everything stops, cant do anything, mouse ketboard screen sound not reactingt. and if I am playing a game the sound stutters, the same 0,5 sec in repeat.

but if it should be the gfx drivers, then why is it crashing when I am in the bios.

all the drivers are up to date

 

Motherbaord Bios up to date?

[erikvind]

yes also up to date