Need help with a computer freeze

[itzrenegade187]

So recently i've been having some computer freezes when trying to play any game I have and also just simply browsing the web but this takes way longer to get the freeze, at first it would freeze and the speakers would make a screeching noise, I took apart the case and saw I had my fans ran wrong so I changed them to the right direction so now I still get the freeze but no screeching noise, I can play a game longer since I changed the fans but still getting a freeze, I took the computer to bestbuy and they ran their full stress test on it and said it passed with no problem. I thought maybe overheating? Any suggestions on what I should do?

Specs:Gpu nvidia geforce gtx 970
cpu amd fx(tx) 6300 six core
psu corsair cx 850m
motherboard GA-78LMT-S2P
ram 8 gb @ 1333mhz
CORSAIR - Hydro Series 240mm Liquid CPU Cooler

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[Hellfire13]

Have you monitored the temps through any softwares like HWINFO or CPUZ???
Have you cleaned the pc recently??? If not, then you should.
How long have you been running this setup and when did the problem start???
Have you monitored your RAM consumption through task manager.
Have you monitored the background processes running simultaneously.
Have you tried using gaming softwares like Razor Cortex??? Try if you have not.
Also run UNIGINE Valley and see how it works.

Reply back when you have done all the above.