my pc is freezing randomly please help

[Voltron186]

as I said its freezing randomly. it doesn't happen when I do some sort of action . it happens randomly but it happens when I play this specific games called Minecraft, and it happens once on startup when I tried to launch Minecraft, one time the screen also lost its image like you can't see anything just like broken tv/screen but that only happen two times, in Minecraft once, on startup once after that just random freezing also once I was listening to song while the freezing occurs suddenly the song sound like crazy yesterday it does happen the whole but this morning it happens once sorry for my bad English
My PC specs:
CPU =Intel Core i5 4460 @ 3.20GHz
Haswell 22nm Technology
RAM = 8.00GB Single-Channel DDR3 @ 798MHz (11-11-11-28)
Motherboard = Gigabyte Technology Co., Ltd. H81M-DS2 (SOCKET 0)
Graphics = 2048MB ATI AMD Radeon HD 7800 Series (ATI AIB)
Storage = 465GB Western Digital WDC WD5000AVCS-632DY SCSI Disk Device (SATA)
Optical drivers : ASUS DRW-24F1ST a SCSI CdRom Device
Operating system : Windows 7 Ultimate 64-bit SP1

 

[Tradesman1]

Have you run Memtest ? What model of DRAM? If it's 1600/11 DRAM try raising the DRAM voltage to 1.55

 

[Voltron186]

i did run memtest , it said no memory problem i dont really know how to check dram model but here is the cpu z result https://gyazo.com/daa470d7ca54616cb7f7c743d5bb2bb1

 

[Tradesman1]

Look in the SPD tab next to part #

 

[Voltron186]

here https://gyazo.com/6634d0792ef62958987565e46cdfdb2a

 

[Voltron186]

hello ?

 

[Tradesman1]

It doesn't show the model #, is it on the label of the sticks?

 

[Voltron186]

maybe ill check