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Can an unstable psu be the culprit?

post #1 of 7
Thread Starter 
Okay, so the problems I've been having lead me to believe that it was my PSU. My PC just straight shut down, black screened and restarted. So I upgraded to a corsair hx 1000w a few days ago. I thought this fixed the problem since on my old PSU SC2 would cause my PC to restart within minutes of just being on the menu screen. This didn't happen throughout 4 day so of playing it. Then comes last night where it does the same thing (and also giving me a windows error.. luckily "use last stable build" worked..). The thing is, I used the old power supply for months before I decided to try replacing it.. could it have damaged anything during that time? Not even sure what I should do at this point.
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EK Supremacy EVO 2x MO-RA3 420 18x Noiseblocker PK-1 140mm MCP35X2 
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My System
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CPUMotherboardGraphicsGraphics
5960x Rampage V Extreme GTX 980 Ti GTX 980 Ti 
GraphicsGraphicsRAMHard Drive
GTX 980 Ti GTX 980 Ti 16GB Intel X25-M G2 160GB Raid 0 
CoolingCoolingCoolingCooling
EK Supremacy EVO 2x MO-RA3 420 18x Noiseblocker PK-1 140mm MCP35X2 
OSMonitorPowerCase
7 Ultimate 3007WFP-HC Corsair AX1500i Antec 1200 
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post #2 of 7
Unless you were very rough with the taking the old psu and putting the new one in, i doubt you would break anything. If you didn't ground yourself it could have caused some problems as well.

The next thing is i would definitely check your overclock stability. I had some problems similar to that a few days ago until i fixed some of my settings.
Shadow Moses
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Shadow Moses
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post #3 of 7
This!

Quote:
Originally Posted by Foxdie View Post
The next thing is i would definitely check your overclock stability. I had some problems similar to that a few days ago until i fixed some of my settings.
Also keep an eye on your temps, it is possible you are shutting down due to thermal conditions as it is starting to get warmer out.
post #4 of 7
Thread Starter 
yeah, it just restarted 5 times in half an hour with everything at stock. same problem with my old psu, same problem with my old gtx 480.
My System
(20 items)
 
  
CPUMotherboardGraphicsGraphics
5960x Rampage V Extreme GTX 980 Ti GTX 980 Ti 
GraphicsGraphicsRAMHard Drive
GTX 980 Ti GTX 980 Ti 16GB Intel X25-M G2 160GB Raid 0 
CoolingCoolingCoolingCooling
EK Supremacy EVO 2x MO-RA3 420 18x Noiseblocker PK-1 140mm MCP35X2 
OSMonitorPowerCase
7 Ultimate 3007WFP-HC Corsair AX1500i Antec 1200 
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My System
(20 items)
 
  
CPUMotherboardGraphicsGraphics
5960x Rampage V Extreme GTX 980 Ti GTX 980 Ti 
GraphicsGraphicsRAMHard Drive
GTX 980 Ti GTX 980 Ti 16GB Intel X25-M G2 160GB Raid 0 
CoolingCoolingCoolingCooling
EK Supremacy EVO 2x MO-RA3 420 18x Noiseblocker PK-1 140mm MCP35X2 
OSMonitorPowerCase
7 Ultimate 3007WFP-HC Corsair AX1500i Antec 1200 
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post #5 of 7
i suppose u can run some memtest to test ur ram.. at this point i dont think its a psu issue..
Shadow Moses
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x5650 @ 3.8ghz P6TD Deluxe Evga - GTX760 TR3X6G1600C9 12gb 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Intel X-25M AData SP610 Western Digital Black 
Hard DriveCoolingOSMonitor
Western Digital Green  NH D14 Windows 8.1 - 64 bit 24" Samsung 2494HM 
MonitorKeyboardPowerCase
24" Samsung 2494HM Das Keyboard Enermax Revolution 1050w CoolerMaster HAF 932 
MouseMouse PadAudioAudio
Logitech G502 Icemat Cambridge Audio DAC Burson Audio HA-160 
Audio
Audio Engine A5+  
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Shadow Moses
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Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Intel X-25M AData SP610 Western Digital Black 
Hard DriveCoolingOSMonitor
Western Digital Green  NH D14 Windows 8.1 - 64 bit 24" Samsung 2494HM 
MonitorKeyboardPowerCase
24" Samsung 2494HM Das Keyboard Enermax Revolution 1050w CoolerMaster HAF 932 
MouseMouse PadAudioAudio
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Audio Engine A5+  
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post #6 of 7
Based on those symptoms, and if it's having them w/everything at stock, the next thing you should be thinking about is either bad memory, or having shorts in the system. As Foxdie says, next step is logically memtest, or trying other sticks. Unfortunately memory problems typically cause BSOD or freezes rather than full shut-down, but it doesn't hurt to check.

Dumb question here, but when you built the system you didn't forget the motherboard standoffs, did you? Hey, it happens, believe me

Barring that, you are probably going to have to try disconnecting/replacing various components one at a time until you find the one that is faulty. There's no way you're underpowered, and if your old PSU damaged something (which I think is unlikely), you're still stuck with this same basic methodology ... you need to find the part that's causing the problem.

Start w/easiest stuff first ... optical drives and sound card, then HD(s) ... and then you'll have to move on the pita stuff like the gfx card and mobo.

Oh ... one other thing, just to be sure ... try plugging the GPU power cables into the different modular jacks on the back of the PSU. The HX1000 is actually 2 500W units in one box, and it's possible, depending on how you config the modular wiring, to accidentally plug your entire system into just one of the 500W units.
Edited by brettjv - 5/11/11 at 1:00am
    
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CPUMotherboardGraphicsRAM
xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
Hard DriveOptical DriveCoolingOS
hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
MonitorPowerCaseAudio
asus vw266h 25.5" (1920x1200) abs sl (enermax revolution) * single 70A rail 850w silverstone rv-03 XFi Titanium 
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post #7 of 7
If you have your computer configured for sleep mode you might try disabling this. For reasons unknown this sometimes fails and the indications can be like you discribed. In case you want to check and/or disable the sleep feature:

Control Panel>System and Security>Power Options. You will see 3 selections in blue. Click on "Change When The Computer Sleeps". Set "Turn Off Display" to NEVER and "Put The Computer to Sleep" to NEVER. & save.

There are many things that could cause this. It could be a BIOS issue. But this is easy, will do no harm and we might get lucky.
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