PC randomly restarts + RAM issue

[DawsonDaBaws]

Hello TH,

Just bought a new PC. But whenever i use it, it sometimes randomly turns the screen black, and then the CPU fan goes crazy, and after a few seconds the pc restarts.

The components are not overheated or overclocked.

All drivers etc. are installed. Why is this happening?

- Also my RAM should be running at 3200 MHz, but they're only at @1063 MHz according to speecy.

Here's a link to my build, please help.
http://imgur.com/a/VmM0g

 

[Calvin7]

Maximum memory clock for B250 Chipset is DDR4-2400MHz. A Z270 Chipset model would use 3200MHz memory.

You also need to set memory parameters in BIOS whether by enabling XMP or manually setting parameters for most memory kits.