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Need help computer shutting down at full load

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When i start to play bf3 my computer frezzes with mouse on screen then i have to hard shut it down and when i try to overclock anymore i cant go past 4.1 ghz because my computer shuts down and when i try to turn it on it goes to bios does that one beep that means everything is ok then shuts down But if i leave the psu unplugged for a hour or two it turns back on No problem IM pretty sure its the Psu but i want some second opinions before i spend $400 on a 1500w

MY specs are
amd fx-8120 overclocked to 4.1
asus saber tooth 990fx
ALOT OF FANS all running at %100 including the video cards fans are always %100
corsair h60
4x 8gig sticks of corsair ram
two ati 6970's overclocked
two 7200rpm harddrives


and i forgot to add a couple months ago i noticed if i have my HTC plugged into my pc when its turned off my computer cant turn on till its unplugged
 
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Case cooler master atcs 840
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My psu is a BFG 1000wat
 

JrRacinFan

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Before you do further testing. Try enabling vsync.

EDIT

if i have my HTC plugged into my pc when its turned off my computer cant turn on till its unplugged

I experience that as well with a Rezound and 2 Droids, every once in a while.
 
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Case cooler master atcs 840
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Benchmark Scores Bad
its enabled i Checked that
 

brandonwh64

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Have you tested your OC with LinX, intelburntest, or prime95? Also WHY do you need a 1500W PSU or a 1000W PSU for that matter?
 

JrRacinFan

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its enabled i Checked that

Ok now, try pulling 2 of the 4 dimms.


Also WHY do you need a 1500W PSU or a 1000W PSU for that matter?

965 Black @ 3.8Ghz + 2x 6950's unlocked to 6970's can pull up to 725W. I am just doing the fundamentals right now, making sure it's not something else.
 
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Benchmark Scores They're pretty good, nothing crazy.
Its the PSU. Get a PSu with a return policy, if it doesn't solve your problem send it/take it back.
 
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I ran prime 95 when i o/c no errors and it ran fine i was thinking BFG died in like 2010 and dont psu's degrade in watts fast ?
 

JrRacinFan

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I ran prime 95 when i o/c no errors and it ran fine

With that said then graphics cards are then pulling more than what the psu can handle. Go with a nice Seasonic, Enermax, or a high wattage Corsair (850W+).
 
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System Name GlaDOS 4.0
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Motherboard ASUS Sabertooth 990FX
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Memory corsair vengeance 1600mhz 16Gigs
Video Card(s) 2x Sapphire ATI 6970's Both @ 960mhz 1400mhz
Storage 1x Corsair force Gt 240G 2x seagate barracuda 1tb 7200rpm
Display(s) 1x Acer 24 inch 1920x1080
Case cooler master atcs 840
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Power Supply 1300w CoolerMaster Silent Pro
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brandonwh64

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With that said then graphics cards are then pulling more than what the psu can handle. Go with a nice Seasonic, Enermax, or a high wattage Corsair (850W+).

Before doing anything with the PSU, Take one card out and run single card to confirm this. I still don't think it should tax 1000W
 
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Motherboard ASUS Sabertooth 990FX
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Memory corsair vengeance 1600mhz 16Gigs
Video Card(s) 2x Sapphire ATI 6970's Both @ 960mhz 1400mhz
Storage 1x Corsair force Gt 240G 2x seagate barracuda 1tb 7200rpm
Display(s) 1x Acer 24 inch 1920x1080
Case cooler master atcs 840
Audio Device(s) Realtek ALC 892 8-Channel
Power Supply 1300w CoolerMaster Silent Pro
Software Windows 7 Home Premium 64Bit
Benchmark Scores Bad
Before doing anything with the PSU, Take one card out and run single card to confirm this. I still don't think it should tax 1000W

I did That already it worked fine then i then i swapped the card that i had running with the other one to see if it was the card and it still worked fine
 

brandonwh64

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I did That already it worked fine then i then i swapped the card that i had running with the other one to see if it was the card and it still worked fine

Ok then, PSU is most likely the issue. Does it do this with EVERY games you try? Also does it do it in Furmark or Kombuster?
 

JrRacinFan

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Before doing anything with the PSU, Take one card out and run single card to confirm this. I still don't think it should tax 1000W

I did That already it worked fine then i then i swapped the card that i had running with the other one to see if it was the card and it still worked fine

Myself and crazyeyes have confirmed this already, B. Again I was just double checking to make sure it wasn't something else.

@potanda

I myself would go with any one of these

SeaSonic Platinum-1000 1000W ATX12V / EPS12V 80 PL...

ABS Majesty series MJ1100-M Continuous 1100W@50°C ...

ENERMAX ERV1000EWT-G 1000W ATX12V v2.3 / EPS12V v2...

CORSAIR Professional Series HX1050 1050W ATX12V / ...

If you feeling inexpensive
PC Power and Cooling Silencer 910W High Performanc...
 
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I forgot there was other games besides BF3 xD il test Furmark im familiar with that I will be back with results
 

brandonwh64

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Myself and crazyeyes have confirmed this already, B. Again I was just double checking to make sure it wasn't something else.

@potanda

I myself would go with any one of these

SeaSonic Platinum-1000 1000W ATX12V / EPS12V 80 PL...

ABS Majesty series MJ1100-M Continuous 1100W@50°C ...

ENERMAX ERV1000EWT-G 1000W ATX12V v2.3 / EPS12V v2...

CORSAIR Professional Series HX1050 1050W ATX12V / ...

If you feeling inexpensive
PC Power and Cooling Silencer 910W High Performanc...

I don't see crazyeyes in this thread so how could I have known?
 

JrRacinFan

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yea change the PSU to something that doesn't suck

i tried using an HX 850 with 2x 6970s and a Sandybridge cpu, it killed the HX850 and killed both GPUs and 3 HDDs, lol

you need alot of grunt to handly a fully overclocked system

FX series sucks more power then god damn fermi per mm^2
combine that with 2x 6970s that can hit 270+ watts full load

your looking at

CPU when fully overclocked 190-300w depending on what you max out at
GPUs when overclocked max out at 300-320w each

worst case senario

300+300+300 = 900 thats before we add fans, mobo, hdds, optical, ssds, or any other misc items in the PC, this doesnt mean its the power lvl its going to hit all the time, but it will spike to this and an unstable unit wont handle it
 
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yea change the PSU to something that does suck

i tried using an HX 850 with 2x 6970s and a Sandybridge cpu, it killed the HX850 and killed both GPUs and 3 HDDs, lol

you need alot of grunt to handly a fully overclocked system

FX series sucks more power then god damn fermi per mm^2
combine that with 2x 6970s that can hit 270+ watts full load

your looking at

CPU when fully overclocked 190-300w depending on what you max out at
GPUs when overclocked max out at 300-320w each

worst case senario

300+300+300 = 900 thats before we add fans, mobo, hdds, optical, ssds, or any other misc items in the PC, this doesnt mean its the power lvl its going to hit all the time, but it will spike to this and an unstable unit wont handle it

Your right Im defiantly going to not use my her till she gets a new psu thanks for the warning
I think im going to get a fan contoler to so im not running 5 120 mm fans and a water pump just of my mobo for some reson that dosent sound good ether and there only $14
 
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New 1300w PSU fixed it :3
 
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Benchmark Scores They're pretty good, nothing crazy.
New 1300w PSU fixed it :3

yep... only one thing that causes a shutdown like that... POWAHHH. Or a short... which is still POWAHHH
 

Huddo93

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Damn, What Brand/Model did you buy? 1300W is pretty series Power!
 
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revert everything to stock settings and try to run it
 
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