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New build problem!! Please help!!

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December 16, 2012 9:26:28 AM

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($169.99 @ Microcenter)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($129.98 @ Outlet PC)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($39.99 @ Newegg)
Storage: Samsung Spinpoint F3 1TB 3.5" 7200RPM Internal Hard Drive ($88.98 @ Newegg)
Video Card: Sapphire Radeon HD 7850 2GB Video Card ($200.98 @ Newegg)
Case: Cooler Master Elite 430 ATX Mid Tower Case ($41.98 @ Amazon)
Power Supply: Rosewill Green 530W 80 PLUS Certified ATX12V / EPS12V Power Supply ($49.99 @ Amazon)
Monitor: Asus VH236H 23.0" Monitor ($139.99 @ NCIX US)
Total: $861.88
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2012-12-16 06:16 EST-0500)

I built this computer about two months ago and it has been running smoothly until today. While I was browsing the internet the computer monitor went black and was unresponsive. I eventually had to manually power down the computer. This happened twice within the past half hour. There were no error messages or anything, just a black screen on the monitor. The monitor, to my knowledge, works fine. Does anybody have a clue what may be the problem?
Currently I am running windows 7. I was running steam, chrome, and skype. Let me know if any other imformation might help.
Hopefully I posted in the correct section!!
thanks for any help :) 

More about : build problem

December 16, 2012 10:18:15 AM

Check the temps with speedfan. The video card may overheat.
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December 16, 2012 10:19:34 AM

Thanks, how do I check the temperature?
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December 16, 2012 10:32:27 AM

or use gpu-z. dowload and open. click on sensor tab to check temps. you can tick the log to file box and it will run a constant log of all gpu info umtil you close it. this may help you ascertain if it is doing something odd at the monet it crashes.
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December 16, 2012 10:46:49 AM

My cpu and gpu temps are really good. the cpu cores run from 25-40C
The gpu cores are at 25C.. I don't think its an overheating problem. Are there any other suggestions?
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December 16, 2012 10:49:58 AM

Do you have a second moniter you can try? While overheating sounds like the most likely culprit be sure to double check all system cables to make sure nothing is loose. 530w also strike me as a little low for the system. Makes me wonder how close you might be to maxing out you power supply. Could be bad cables too. Had that happen to me once. Everything on the screen had a yellowish tint. replaced the cable and it fixed the problem.
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December 16, 2012 10:54:13 AM

I just checked the cables, they seem to be secure. The reason I don't think it is a monitor problem is because I was in the middle of a skype call and the call ended. If Even if the monitor stopped working, the call should have continued correct?
I'll check with another monitor and see if it helps..

Update:
Also my computer just went completely to sleep by itself.. I was again in the middle of my call/internet browsing. I can't think of any reason for it to go to sleep on its on..
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December 16, 2012 11:18:49 AM

Rosewill PSUs are not the brand you put on a system like this...asking for trouble!
You should buy a decent supply eg. Corsair, Seasonic, PCP&C, Antec and probably 650watt or higher.
You don't put a 50 dollar PSU on 800 dollars worth of hardware!!!
Hope this helps...JQ
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December 16, 2012 11:33:06 AM

Thanks Johnny. I really don't know enough about psu's. Do you really think my psu is the problem here? I was told that what I have is sufficient.. =/
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December 16, 2012 11:47:06 AM

I would uninstall your video drivers and use driver sweeper in safe mode to clear them out. Then reinstall. This could be caused by a driver conflict or faulty hardware. Check to make sure all your drivers are up to date.
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December 16, 2012 1:08:07 PM

I also think it's a power supply issue. But... I wouldn't buy one until being sure about it. Try borowing one from a friend and test.
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December 16, 2012 11:44:46 PM

If this is a psu problem, are there any temporary solutions to lower my wattage use? Are there any ways for me to reduce the risk of damage to the hardware if this happens again? I won't be able to buy a new psu for a while unfortunately..
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December 17, 2012 2:58:28 AM

You could remove the graphics card and run the on board HD4000 video for a while...
This will lighten the load on the psu but I think the supply is already failing at this point...
You could try and get it replaced under warranty or something if it's only 2-3 months old...
The specs on this card call for a 500watt or higher power supply....add in all the other hardware and 530 is gone!!!
There is also a vendor list of qualified power supplies here..
http://support.amd.com/us/certified/power-supplies/Page...
Hope this helps...JQ
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!