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Random freezing and choppy video playback

Forum Homebuilt Systems : General Homebuilt - Random freezing and choppy video playback

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lukeo   11-10-2009 at 03:16:41 PM

I have a system I had built that I've been struggling with for a while now. I am getting random freezing that happens anywhwere from 2-12 hours, the screen will just freeze and I have no option but to manually power off. Also my video playback has a choppy look to it, you can see horizontal sections or lines where the video is being chopped usually when there is movement in the video. I have tried windows xp and vista 32 bit home, and have the latest drivers installed and still the same problems. I have concluded that it must be a compatibility and a hardware conflict. I'm guessing it's the video card or ram or both, if so what would you recomend I get instead? Here is what is in my system

Intel Core i7 920 Quad-Core Socket LGA1366, 2.66Ghz, 4.8GT/s QPI, 8MB L3 Cache, 45nm (Retail Boxed) (BX80601920)
http://www.canadacomputers.com/ind [...] id=CPU.840

Gigabyte GA-EX58-UD3R Socket 1366 Intel X58 + ICH10R CrossfireX Triple-Channel DDR3 2000+/1333/1066Mhz Dual GigaLAN 7.1Ch Audio 6x SATA 3x PCI-E X16
http://www.canadacomputers.com/ind [...] cid=MB.303

rev 1.0 (there is a newer one rev 1.6)

OCZ (OCZ3G1600LV6GK) DDR3 PC3-12800 1600 MHz Gold XTC Triple Channel Kits 6GB (3x2048MB) T/C
http://www.canadacomputers.com/ind [...] AM.346.539

Asus EAH4670/DI/512M ATI Radeon HD 4670 Chipset (750MHz ) 512MB (2008Mhz) DDR3 Dual Display PCI-Express 2.0 Graphics Card
http://www.canadacomputers.com/ind [...] DC.243.272

Antec Three Hundred Mini Tower Gaming Case 300 ATX 3X5.25 6X3.5INT No PS Front USB & Audio
http://www.ncix.com/products/?sku= [...] ture=Antec

Corsair TX Series CMPSU-650TX 650W ATX 12V 52A 24PIN ATX Power Supply
http://www.canadacomputers.com/ind [...] PSU.532and

Western Digital Caviar Black (WD5001AALS) 500GB SATAII 7200RPM 32MB Cache
http://www.canadacomputers.com/ind [...] DD.443.877


Please help. what do you think it could be?

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capt_taco   11-10-2009 at 08:29:05 PM

I noticed you have memory that requires 1.65V, but your motherboard's specs say it defaults to run with 1.5V memory. One of my systems used to stick and freeze for exactly that reason, so first thing I'd try is to go into the BIOS and see if manually adjusting the RAM voltage helps.

Also, the video card looks like the weakest link in your system. The 4600 series can't really be considered high-end anymore. If you upgrade anything, that's probably the best candidate, although it's really only going to make a noticeable difference for pretty intense gaming or other graphics-heavy uses.

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Silver Home Brew badge shortstuff_mt   11-10-2009 at 08:50:34 PM

+1 to manually setting the RAM voltage in the BIOS. You should also manually set the RAM speed and timings to the recommended specs. Your RAM is rated at 1600MHz at 8-8-8-24 timings. You should manually set those values when you set the voltage. After you get the RAM speed/timings/voltage set correctly then you should run Memtest86+ overnight to test for RAM errors.

Reply to shortstuff_mt
lukeo   11-10-2009 at 10:42:44 PM

I am very new to adjusting things in the BIOS so bare with me. What are the possibilities of damaging anything changing the ram voltage? I looked in the BIOS, DRAM voltage was already set to 1.640V. I went to change the value and it goes up in even numbers the next value is 1.660V, there is no 1.65V. How important is this?

Under channel A, B, C it is set to 7 7 7 20 - based on already being set on 1.640V is it still worthwhile to change the timings? Or am I better off just buying new RAM that runs at my motherboard spec 1.5V? If so, what specifically would you recomend?

As far as the choppy video playback goes, would the ram be responsible for that as well, or is that something with the video card compatibility? Capt Taco, I might get into more pc gaming if I decide to upgrade the video card what would you recomend?

Thanks

Luke


Message edited by lukeo on 11-11-2009 at 12:53:04 AM
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