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Dying PSU?

post #1 of 9
Thread Starter 
Hey guys,

My other computer has been giving me issues. I keep getting Windows freezes/lockups randomly, BSODs and GPU artifacting. I reformatted Windows so I know it's not the OS. Got a new hard drive so it's not that. I tried two video cards: a 560Ti that when under load, freezes, artifacts, BSODs then restarts and a 9800GX2 which freezes in Windows randomly, sometimes a sec after getting into Windows, no BSOD. I don't think it's the ram but I'm not sure on that. I've isolated it down to the PSU, mobo or even the two video cards. It's run on a 600W OCZ ModxStream. I'm thinking of buying a cheap 9800GT and testing it with my backup PSU CX400W. Any help would be fantastic.
    
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post #2 of 9
Have you ran Memtest to confirm it isn't a memory related issue? That is where I would start then work your way from there.

You can find a USB bootable version of Memtest 86+ here;

http://forum.canardpc.com/threads/68001-NEW-!!-Memtest86-5.00-RC1-available-!-Need-betatesters-!
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post #3 of 9
Thread Starter 
Yes, I did, the Memtest in Windows and it showed no errors but I'm not sure if it was thorough or accurate. I will redo it with the link you posted. Thanks.

Assuming it's not the ram, what would you suggest next?
    
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post #4 of 9
If you got a OCZ ModxStream replace it
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Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
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post #5 of 9
Thread Starter 
Shilka, do you think the Psu is the cause? I would think so since what are the chances two video cards are going bad. If I replace it now, I would need a new unit or a less powerful video card.
    
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post #6 of 9
Even if the PSU is not the problem it is not a PSU you should keep
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Intel Core I7 6850K Gigabyte X99 Ultra Gaming Gigabyte GTX 970 G1 Gaming Kingston HyperX DDR4 Savage 3000 MHz 
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Samsung 840 Evo WD Green WD30EZRX  WD Green WD40EZRX  WD Green WD60EZRX  
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WD Red WD80EFZX 8TB  LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15 
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Windows 7 64 Bit Asus PG279Q Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
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Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
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Seravee
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Intel Core I7 6850K Gigabyte X99 Ultra Gaming Gigabyte GTX 970 G1 Gaming Kingston HyperX DDR4 Savage 3000 MHz 
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Samsung 840 Evo WD Green WD30EZRX  WD Green WD40EZRX  WD Green WD60EZRX  
Hard DriveOptical DriveCoolingCooling
WD Red WD80EFZX 8TB  LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15 
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Windows 7 64 Bit Asus PG279Q Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
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post #7 of 9
I think Shilka is one of the resident OCN power supply experts, so if he says you should replace then you should probably replace.

I agree with you Intelfan - in that it's highly unusual for two video cards to be bad so personally I would look elsewhere for the root cause of the problem.

While the Windows memtest is better than nothing, the more in-depth and long term testing capability of Memtest 86+ will better suite your needs for ensuring that this isn't a memory related issue.

Good luck.
wevs rig
(19 items)
 
  
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i7 3770K Gigabyte GA-Z77X-UD5H MSI GTX 670 PE OC x2 SLi Team xTreem 16Gb (2x4Gb) DDR3 2400Mhz 
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Crucial C300 128Gb x2 RAID0  SK Hynix SH910 128Gb x2 RAID0 Western Digital Black Edition 1Tb Western Digital Black Edition 640Gb 
Optical DriveOptical DriveCoolingOS
Asus DVD / Bluray LG Bluray / Burner Custom H20 - Swiftech, XSPC Windows 7 Pro x64 
MonitorKeyboardPowerCase
Acer P243Waid Razer Black Widow Ultimate Corsair HX1000 Corsair C70 White Edition 
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wevs rig
(19 items)
 
  
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Hard DriveHard DriveHard DriveHard Drive
Crucial C300 128Gb x2 RAID0  SK Hynix SH910 128Gb x2 RAID0 Western Digital Black Edition 1Tb Western Digital Black Edition 640Gb 
Optical DriveOptical DriveCoolingOS
Asus DVD / Bluray LG Bluray / Burner Custom H20 - Swiftech, XSPC Windows 7 Pro x64 
MonitorKeyboardPowerCase
Acer P243Waid Razer Black Widow Ultimate Corsair HX1000 Corsair C70 White Edition 
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post #8 of 9
I dont want to sound like i am a know it all without backing it up so here is why you should not keep it
Reason (Click to show)
Build Quality

Externally the OCZ 700W ModXStream Pro is a fairly subdued semi-modular design that looks good. The unit has a nice finish, well sleeved cables, good quality modular cables, and a large overhead fan. However, once we open the unit we find that OCZ 700W ModXStream Pro looks very much like a cheap group regulated unit. This is further compounded by the fact that the unit has some questionable component selections in the mystery "Rec" capacitors. Good capacitors only add slightly to the total cost of a unit so why even something along the lines of Samxon or at the very least Teapo was excluded from this build is bewildering. Further, the unit only features a 3 year warranty and with questionable capacitors this is hardly reassuring. Also related here is the unit’s "documentation." The documentation that came with the unit is simply a waste of time. This fact is punctuated by the power distribution table at the back of the manual was never actually finished by whomever was annotating it. The only upside to all of this is most of the information about the unit is printed on the packaging, but still sans a correct power distribution table as these are genuinely useful. They are especially useful when units do not follow the ATX12v specification or EPS specification for 12v power distribution such as this unit.

http://www.hardocp.com/article/2008/11/12/ocz_700w_modxstream_pro_power_supply/#.UmatKhBlKcs
Edited by shilka - 10/22/13 at 9:56am
Seravee
(24 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming Gigabyte GTX 970 G1 Gaming Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD30EZRX  WD Green WD40EZRX  WD Green WD60EZRX  
Hard DriveOptical DriveCoolingCooling
WD Red WD80EFZX 8TB  LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15 
OSMonitorKeyboardPower
Windows 7 64 Bit Asus PG279Q Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
AudioAudioOtherOther
Onkyo TX NR646  Harman Kardon HKTS 60 CableMod E series PSU cable set CableMod LED Strips 
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Seravee
(24 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming Gigabyte GTX 970 G1 Gaming Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD30EZRX  WD Green WD40EZRX  WD Green WD60EZRX  
Hard DriveOptical DriveCoolingCooling
WD Red WD80EFZX 8TB  LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15 
OSMonitorKeyboardPower
Windows 7 64 Bit Asus PG279Q Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
AudioAudioOtherOther
Onkyo TX NR646  Harman Kardon HKTS 60 CableMod E series PSU cable set CableMod LED Strips 
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Reply
post #9 of 9
Thread Starter 
I tried it with a card that does not require a 6pin, a 8600GT. It powers on but the screen turns black. After a bit of on and off, I managed to reinstall Windows but after I powered it off and back on, the screen is black. Might be a bad pci express slot. Thanks guys.
    
CPUMotherboardGraphicsRAM
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OSMonitorPowerCase
Windows 7 Professional x64 Samsung SyncMaster 2494LW Antec Earthwatts 650W Antec Nine Hundred 
Audio
Creative Titanium HD 
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Reply
    
CPUMotherboardGraphicsRAM
i7 930 EVGA x58 SLI LE Sapphire 6950 2GB FleX Corsair Dominators 2000Mhz 8-8-8-24 
Hard DriveHard DriveHard DriveCooling
Seagate Intel 320 Series SSD Western Digital Velociraptor Thermalright Ultra Extreme 
OSMonitorPowerCase
Windows 7 Professional x64 Samsung SyncMaster 2494LW Antec Earthwatts 650W Antec Nine Hundred 
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Creative Titanium HD 
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