new build PC freezing

[Maurijn]

Hey,

1 month ago i got a new pc.
With the follwong specs:

Radeon R9 280X royalQueen (from club3D)
FX-6300
VS 650, 650 Watt from corsair
CT-K8, case 
Asrock 970 Pro3 R2.0, socket AM3+
1 tb hard drive from western digital (7200 rpm)
8 GB DDR3-1600 (already changed 3 times)

The problem is that my screen is randomly freezing. Even when the pc is on but isn,t doing anything. Somtimes it happends after 5 min. The first time i turn the pc on it is like 30 min. Before the freeze. But after the first crash it is like 5 minuts.

I already changed the motherboard and the processor. I also changed the 8gb ddr3 three times. But i still got the same problem.

I already tried new software a few times. And no i don,t have the latest drivers. Because if i try to download drivers the pc also starts freezing most times.

I already checked if my pc was getting to hot.
The grapghics card got °30 on idle and the processor arround °40

I don,t know what the problem is. Already send my pc 2 times back to the store. (They changed the motherboard, processor and ram for me) is there anybody here who nows the problem?

 

[ksarex]

Well you have already narrowed it down yourself... This problem is common when the PSU cables aren't connected firmly or when you have a faulty PSU. Next you have to check your hardrive which can also cause this kind of problems with a tool like disk sentinel, of course you would have to check it on another PC.
You also said that when you send the PC back to the store they changed the motherboard,processor and ram.... Are you sure about this? Did you check serial numbers? If at the store they didnt find anything wrong(tested with other proven working parts) with that parts they would definately not replace them...

 

[Maurijn]

Thank you for the reply and the info

No i am not sure about the motherboard and the proccesor. Honestly i think they did change those. they dit changed the ram. (Is another brand)
The pc is back at the shop at the moment to get 'fixed' again. (Still under waranty) pc never worked..

So if anybody knows the best way to look for the error i can call them and hope that they listin