Need some advises for my current build

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fungofhk

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Apr 16, 2014
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I am new to this forum. Here is my build. Please kindly help me:wahoo:
CPU: i5 760 @4Ghz (1.22V in bios)
RAM: 2Gx4
Display: MSI R9 290 Gaming (Bought it few days ago)
PSU: Coolermaster 550W (forgot which kind of series it is.)
Windows 7 Ultimate
Two harddisks and a DVD writer.

Problem:
Keep freezing/BSOD (0xA000001). I have tried reinstall Windows 7, install ATI driver without ticking other components. Sometimes it will not freeze but sometime it keeps freezing N times in a row.

I think it should be my PSU problem. It is already 4-5 years old. Also, will my CPU bottleneck my GPU? But i still need some opinions from you guys. Sorry for my bad english. Thanks.
 
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Number one thing with BSOD will always be to disable any overclocks, as that's the cause of a large percentage of overclocks. Even if it's been stable for however long, overclocking can and will shorten the life of a unit. The question is how much, but you can never really know until it happens. If you disable the overclock and the BSOD goes away, then that was the problem. If it's still BSODing, then you'll have to figure if the CPU is on its way out, or if it's related to something else, but that's where I'd start. As far as the GPU, your CPU shouldn't be bottlenecking it. The only bottleneck that can really exist is a theoretical bottleneck with running a PCIe 3.0 card in a 2.0 or 1.0 slot, which is almost never even a bottleneck...
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Egitel

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Dec 16, 2013
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Number one thing with BSOD will always be to disable any overclocks, as that's the cause of a large percentage of overclocks. Even if it's been stable for however long, overclocking can and will shorten the life of a unit. The question is how much, but you can never really know until it happens. If you disable the overclock and the BSOD goes away, then that was the problem. If it's still BSODing, then you'll have to figure if the CPU is on its way out, or if it's related to something else, but that's where I'd start. As far as the GPU, your CPU shouldn't be bottlenecking it. The only bottleneck that can really exist is a theoretical bottleneck with running a PCIe 3.0 card in a 2.0 or 1.0 slot, which is almost never even a bottleneck anyway, and in the few rare cases that it is, it's by a few percent at best. The typical GPU simply isn't fast enough to eat up the bandwidth of even 1.0, nevermind 2.0 or 3.0, and the processor isn't going to bottleneck the GPU. The only thing the processor can be a bottleneck for is games that are my CPU intense. For example, if you're having FPS problems and the CPU is maxed out, or close, then it's the bottleneck. Your processor should still be fine for most games, so I don't see that being an issue.
 
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fungofhk

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Apr 16, 2014
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Hi Egitel, if I reset back my CPU to normal frequency and BSOD does not prompt anymore, can i say that my PSU cannot provide enough power to my CPU(if my OC setting is stable before changing my card from Galaxy GTX460)/GPU? I have simulated the minimum required wattage on http://extreme.outervision.com/psucalculatorlite.jsp, it said i need almost 700W for my build. But I am not quite sure about this.

PS: I forgot one problem. When I used GPU-Z to check my GPU, my PSU only provided 11.50-11.63V in 12V. But When I ran Furmark for a stress test, nothing happened. I think this may be a problem.
 
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Egitel

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It could be that the new GPU is sucking too much power to support both the overclock and the GPU, but it's hard to say for certain. ATI recommends at a 600W continuous PSU for the R9 290, so it very well could be the problem.
 
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fungofhk

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Apr 16, 2014
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Hi Egitel, can I assume that running FurMark and Prime95/IBT at the same time can make my whole system fully load? I have just tested Prime95 and FurMark at the same time with stock frequency of my CPU and no BSOD prompted. I am going to try OC@4Ghz and test again.

PS: Just ended the test of Furmark and IBT @4Ghz, no BSOD prompted. Can I assume my PSU is "STILL" OK with my current setting?
 
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