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New Graphics card and random hard crashes (system resets)

post #1 of 8
Thread Starter 
So I just got a new 460 GTX and everything runs beautifully, and relatively cool, but every once in awhile I'll get a random crash. Only in games or benchmarks, so only during heavy graphics load. Also, I've used GPU-z and SpeedFan both and I know neither the CPU or GPU is overly hot when this happens. There are no error messages, no artifacts, just a sudden reset; although sometimes instead of showing BIOS info or Post, I just get a blinking cursor and no boot.

My question is this: given the symptoms, what is the most likely diagnosis? PSU, drivers, CPU overclock, something else?

My first suspicion, given the nature of the crash, is the PSU (500W). My system is a little older than these high-powered graphics cards, so I don't have 2 6-pins to plug in, just one 6-pin and the two 4-pin molex adapter that came with the card. Is my card not getting enough power? Is the fact that I need the adapter significant, or is it perhaps just the amount of power available?

I've also read about driver crashes, and if I have time tomorrow, I'll do a driver sweep to clean out old drivers and see if still happens.

Lastly, my CPU is overclocked, but I'm fairly certain that that particular OC is stable.

The most frustrating thing is that it is difficult to test since it happens randomly, and not in any noticeable pattern. Sometimes it happens when the GPU isn't even at full load.
My System
(13 items)
 
  
CPUMotherboardGraphicsHard Drive
Core 2 Duo E6750 MSI P35 Neo-F MSI 460 GTX 1GB Cyclone WD Caviar Blue 640GB 
OSMonitorPower
Windows 7 64bit Acer P221W 22" 500W 
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My System
(13 items)
 
  
CPUMotherboardGraphicsHard Drive
Core 2 Duo E6750 MSI P35 Neo-F MSI 460 GTX 1GB Cyclone WD Caviar Blue 640GB 
OSMonitorPower
Windows 7 64bit Acer P221W 22" 500W 
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post #2 of 8
How did you determine your CPU OC stability?

It could also very well be your aging 500w. What brand is it?

Do you have an old video card to swap back in to see if it happens?
 
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CPUMotherboardGraphicsRAM
i7-2700k @ 4.5GHz  Asus P8Z68-V/Gen3 Asus GTX 1070 Strix OC G.Skill Ripjaws 16GB 
Hard DriveCoolingOSKeyboard
Crucial M4 128GB + 1TB F3 + Crucial M500 256GB Noctua NH-D15S Windows 10 Pro Cooler Master Novatouch TKL 
PowerCaseMouseMouse Pad
Cooler Master V1000 600T SE Roccat Kone XTD Steel Series 9HD 
CPUMotherboardGraphicsRAM
i7 950 Rampage III Gene 2x EVGA GTX 680 SLI 24gb HyperX 
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960GB Crucial M500 Intel Stock Windows 7 64bit Enterprise HP ZR2440w + Z24i 
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Work Rig
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CPUMotherboardGraphicsRAM
i7-2700k @ 4.5GHz  Asus P8Z68-V/Gen3 Asus GTX 1070 Strix OC G.Skill Ripjaws 16GB 
Hard DriveCoolingOSKeyboard
Crucial M4 128GB + 1TB F3 + Crucial M500 256GB Noctua NH-D15S Windows 10 Pro Cooler Master Novatouch TKL 
PowerCaseMouseMouse Pad
Cooler Master V1000 600T SE Roccat Kone XTD Steel Series 9HD 
CPUMotherboardGraphicsRAM
i7 950 Rampage III Gene 2x EVGA GTX 680 SLI 24gb HyperX 
Hard DriveCoolingOSMonitor
960GB Crucial M500 Intel Stock Windows 7 64bit Enterprise HP ZR2440w + Z24i 
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Ducky Brown Antec TP-750 Antec Sonata 
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post #3 of 8

.


Edited by ironman86 - 3/21/12 at 10:53am
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AMD Asus  Gigabyte GTX470  Kingston HyperX 2X2GB 
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WD  Asus Samsung  CM Silent Pro  
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CM HAF  
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AMD Asus  Gigabyte GTX470  Kingston HyperX 2X2GB 
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CM HAF  
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post #4 of 8
If the system just shuts down after say few minutes in furmark, its a PSU problem.

Reset the OC of the cpu to defaults, and run furmark.

Most likely an old generic 500W will not be able to support your system at all.
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Editing PC
(8 items)
 
 
CPUGraphicsGraphicsRAM
E5-1680v2 AMD FirePro D700 AMD FirePro D700 64GB 1866mhz 
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1TB PCIE SSD OSX 10.10.x Dell U2713H Mac Pro 
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E5-1680v2 AMD FirePro D700 AMD FirePro D700 64GB 1866mhz 
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1TB PCIE SSD OSX 10.10.x Dell U2713H Mac Pro 
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post #5 of 8
Yep my vote's on PSU as well. Run what others have suggested and see if it shuts down.
post #6 of 8
Thread Starter 
Thanks everyone!

I think I figured it out. Earlier, when I had tested my CPU OC I ran Prime95 while I was out running errands, and when I got back it was still running with no errors and I assumed all was fine; in retrospect, I think that was only 2-3 hours, so I reran Prime95 overnight, and the same system reset happened, but Prime95 reported no errors before it happened, so again it seems like that PSU.

My current PSU is an NZXT PP500. Definitely not enough power for overclocking. I had my suspicions, but all of your input helped me confirm. Thanks!

I know this is the wrong forum, but any recs on PSUs? How many watts should I get? I'd like to futureproof it; in the next 6 months I plan to upgrade to an i5 or possibly i7, and may consider SLIing another 460.

Again, thanks for the help!!
Edited by grgr - 11/28/10 at 10:36am
My System
(13 items)
 
  
CPUMotherboardGraphicsHard Drive
Core 2 Duo E6750 MSI P35 Neo-F MSI 460 GTX 1GB Cyclone WD Caviar Blue 640GB 
OSMonitorPower
Windows 7 64bit Acer P221W 22" 500W 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsHard Drive
Core 2 Duo E6750 MSI P35 Neo-F MSI 460 GTX 1GB Cyclone WD Caviar Blue 640GB 
OSMonitorPower
Windows 7 64bit Acer P221W 22" 500W 
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post #7 of 8
You probably want a 750w or so if getting SLI 460s and i7, a good brands can be found in the PSU subforum.
Turbojet
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i7 920 @ 3.2ghz P6T SE Vapor X 5770 @ 1000/1350 6gb Patriot Viper @ 1600MHz CAS 8 
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WD 640gb/Seagate 1TB 7 64bit Earthwatts 500W HAF 922 
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Turbojet
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i7 920 @ 3.2ghz P6T SE Vapor X 5770 @ 1000/1350 6gb Patriot Viper @ 1600MHz CAS 8 
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post #8 of 8
Most likely the power supply, and the OC could be unstable with the new card, because changes in architechture can cause crashes.
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Phenom II X4 B60 @ 3.91GHz MSI 870A-G54 Sparkle GeForce 7600 256 MB 2x2 GB Corsair DDR3 1333 MHz 
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7200 RPM 1 TB Segate Barracuda 18x Samsung DVD Read/Write Win 7 Home Premium x64 Dual 20" LCD AOC 
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Serenity
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Phenom II X4 B60 @ 3.91GHz MSI 870A-G54 Sparkle GeForce 7600 256 MB 2x2 GB Corsair DDR3 1333 MHz 
Hard DriveOptical DriveOSMonitor
7200 RPM 1 TB Segate Barracuda 18x Samsung DVD Read/Write Win 7 Home Premium x64 Dual 20" LCD AOC 
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Verbatim EasyBoard ATX 500W, inland 331 Elite Cooler Master Microsoft mouse D: 
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