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OCCT test reports stable, but i crash in games

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#1
Hello, well the problem being, that i crash in games. When i freeze, it normally goes like this : screen freezes, keyboard stops answering (num lock doesn't toggle), sound stutters for a couple of second, sound comes back, then i lose some textures, most of the time the sky, the fog and any bumpmap/specular, keyboard comes *back* (i can toggle num lock). I have to reboot. This can normally happen every 15 minutes, but i had some hopes when i did not crash for my Call of Duty 4 match.

My CPU is running stock, but i tried underclocking it.
I tried default bios voltages, but also tried giving 0.1 to 0.2 volts to the CPU.
My RAM is running stock, tried from 500MHz to 1000MHz, different multipliers.
I tried different RAM voltages, from 1.9 to 2.1.
My VGA is running stock.
My drivers are right.
Everything was working 2 weeks ago, i never crashed before.

I did not run a memtestx86
I did not test another CPU
I did not test another GPU
I did not test another MOBO

I am suspecting the Motherboard. I tried settings on a thread to finally read on the last line that the settings he used were done on phase change. Being 4.0GHz at 1.2V. See the thread here : http://www.clunk.org.uk/forums/7410-post20.html

Do you think i damaged my CPU, NB, SB, Motherboard?

Below are OCCT Results, my PSU seems weird, being a PCP&C 610W Silencer.

Thanks a load.
 

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#2
Do you get an error message when the games fail ? I get a rogue "ntdll.dll" error on some games when EVERY bench says O.K. Drives me nuts.:banghead::banghead::banghead:
 
Joined
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Processor i7-4770k @ 4.4
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Case Antec Eleven Hundred
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Benchmark Scores 11186 Firestrike
#3
No, there is no error, what i get is a non-responding system needing a reboot.

Sorry i just explained the error more in-depth.
 
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Processor i7-4770k @ 4.4
Motherboard Gigabyte GA-Z87X-UD5H
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Memory 16GB Mushkin Blackline Ridgeback DDR3-2400 11-13-13-31
Video Card(s) EVGA GTX 780 Ti SC ACX
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Case Antec Eleven Hundred
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#4
bump.
 
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#5
To me I think it's the motherboard also. You shouldn't have to do anything in order for it to work. Just more a plug and play sort of thing. But if you have to start ocing in order for it to even be right, then there is someting wrong. My gigabyte board had to be oc'ed to the cpu in order for it to stop going in to a post cycle. Just keeps posting but won't go to windows. They said it was due to a dead NB.
 
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#6
Also, sorry to post twice, But since you are on it with a 45nm chip, having the right bios for the thing will probably help that out. I don't know what revision you are on. But, they did update the bios when the 45nm came out.
 
Joined
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Processor i7-4770k @ 4.4
Motherboard Gigabyte GA-Z87X-UD5H
Cooling Corsair H80i
Memory 16GB Mushkin Blackline Ridgeback DDR3-2400 11-13-13-31
Video Card(s) EVGA GTX 780 Ti SC ACX
Storage OCZ Vertex 4 256GB, 4x1TB WD Black RAID5
Display(s) Samsung S27A850 2560x1440
Case Antec Eleven Hundred
Audio Device(s) Sound Blaster ZxR / Sennheiser HD650 on WooAudio WA7 RCA + Blue Yeti
Power Supply Corsair HX750
Benchmark Scores 11186 Firestrike
#7
Hello, thank you for your comments. The thing is, yes it was 'hard' to overclock at first, but default clocks/voltages were alright. They are not until really recently.

At the same time, i don't want to RMA a motherboard if i'm not sure it's defective.
 
Joined
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In a library somewhere on this earth
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Processor i7 3770k @ 4.5ghz
Motherboard Biostar Tz77xme4
Cooling Koolance C370si loop
Memory 8gb G. Skill Trident X 2400mhz at 10-11-11-28
Video Card(s) XFX Double D 7950 / Zotac 620 for physx
Storage Samsung 830 128gb (os)Muskin Chronos 120gb, Pyro 120gb
Display(s) Viewsonic VX2450WM-LED 24" & Hanns G 28"
Case Cooler Master Cosmos II
Audio Device(s) Auzentech X-fi Forte 7.1 Opamp modded
Power Supply Silverstone Strider Plus 1000w pp05 cables
Software Win7 Pro64
Benchmark Scores i5 750 4.62ghz pi runs // Evga FTW p55
#8
Welcome and would try and reset the cooler. Also, what type of tim have you used? I know it isn't the fact that the cooler is off on a side, because your Noctua is bracketed, but I'd still check even if you haven't..