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PC shuts off randomly

post #1 of 47
Thread Starter 
Hey Guys!
I have no idea, if this is the right forum to post this, but i'll try anyway!

First off, here's the specs for my build:

Motherboard: P9x79 Pro
CPU: i7-3820
GPU: Geforce gtx780 ti
PSU: Corsair CX750
RAM: 32GB G. skill Z 1600
Cooling: Corsair H100i

HDD's:
1 x SanDisk 128GB SSD
1 x 1.5TB Samsung 7200RPM
2 x 2TB Samsung 7200RPM
2 x 2TB Seagate 7200RPM

I have a LOT of trouble with this build.
The system suddenly goes to black screen, and it seems like the PC is still running. But I have to restart it, to get it to work again.
Sometimes it just shuts down completely, without any warning. And last, but not least, sometimes it shuts off the screen and the fans goes to 100%!

I am not a overclocking expert (not one bit unfortunately), so I have just gone to BIOS and set it to optimized default (I do have the latest BIOS)

I have RMA'ed the RAM (Went from Corsair Vengence 32GB 1866, to the G. Skill, after reading that the G. Skill are much better, for the P9x79 Pro).
I have RMA'ed the GPU (Went from gtx 680+ 4GB, to the gtx 780 ti, after I got it tested by a local PC store, who was sure it was the GPU).
I also changed the cooling from Arctic cooling freezer i30 to yhe H100i.

So now there's only the CPU, PSU and MB left to RMA! :/


I have tried (with my VERY little OC knowledge) to fiddle around with some settings in the BIOS, but nothing have worked so far.

I REALLY hope you guys can help me out here smile.gif

Kind regards
Sebastian
post #2 of 47
Welcome to OCN

Sounds like something is overheating

Or you PSU is broken
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
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Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
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post #3 of 47
^ agreed.

Try re-seating your cooler on the CPU and make sure it's making complete contact - easy to tell because the thermal paste will show where contact was made when you remove it.
RYZEN
(14 items)
 
OFFICE PC
(12 items)
 
20TB_HOMENAS
(9 items)
 
CPUMotherboardGraphicsRAM
Ryzen 1700X ASRock Fatal1ty X370 Professional Gaming XFX 390x Corsair Vengeance LPX 64GB DDR4 
Hard DriveOptical DriveCoolingOS
A bunch of swappable SSDs LG BD-ROM Thermaltake CL-P039-AL12BL-A Contac Silent Windows 7 
MonitorKeyboardPowerCase
Generic Korean 32" 4K Generic mechanical rainbow LED lit SeaSonic G Series 550-Watt AZZA Helios 910 CSAZ-910 
MouseAudio
Logitech G500 T1 24BIT Tube USB DAC 
CPUMotherboardGraphicsRAM
AMD Athlon II X2 255 ASRock 970DE3/U3S3 Radeon X300 Kingston KHX1600C9D3/4GX 
Hard DriveHard DriveHard DriveHard Drive
8x Samsung HD204UI 7x Seagate ST2000DM001 Transcend TS16GSSD25-S 2x WD WD40EZRX 
Case
AZZA Helios 
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Reply
RYZEN
(14 items)
 
OFFICE PC
(12 items)
 
20TB_HOMENAS
(9 items)
 
CPUMotherboardGraphicsRAM
Ryzen 1700X ASRock Fatal1ty X370 Professional Gaming XFX 390x Corsair Vengeance LPX 64GB DDR4 
Hard DriveOptical DriveCoolingOS
A bunch of swappable SSDs LG BD-ROM Thermaltake CL-P039-AL12BL-A Contac Silent Windows 7 
MonitorKeyboardPowerCase
Generic Korean 32" 4K Generic mechanical rainbow LED lit SeaSonic G Series 550-Watt AZZA Helios 910 CSAZ-910 
MouseAudio
Logitech G500 T1 24BIT Tube USB DAC 
CPUMotherboardGraphicsRAM
AMD Athlon II X2 255 ASRock 970DE3/U3S3 Radeon X300 Kingston KHX1600C9D3/4GX 
Hard DriveHard DriveHard DriveHard Drive
8x Samsung HD204UI 7x Seagate ST2000DM001 Transcend TS16GSSD25-S 2x WD WD40EZRX 
Case
AZZA Helios 
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post #4 of 47
Also make sure that the pump is actually on
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
post #5 of 47
Thread Starter 
Thx for some fast replies!

I don't think it's the cooling, because my temps are at around 30C, and even tried a prime95 test, and it got to max 57C smile.gif
But is my PSU too light for this system?
post #6 of 47
Quote:
Originally Posted by BrainstormCM View Post

Thx for some fast replies!

I don't think it's the cooling, because my temps are at around 30C, and even tried a prime95 test, and it got to max 57C smile.gif
But is my PSU too light for this system?

Its way overkill

Its just not a great PSU you have

You picked quantity and not quality
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
post #7 of 47
Quote:
Originally Posted by BrainstormCM View Post

Thx for some fast replies!

I don't think it's the cooling, because my temps are at around 30C, and even tried a prime95 test, and it got to max 57C smile.gif
But is my PSU too light for this system?

A good 750W PSU is enough to handle your system although you do have a lot of HDD's. It's a corsair so its a good quality PSU... but I would highly recommend your next step to try a different PSU as your temps are great and it's unlikely thermal shutdown.
 
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Xeon W3680 @ 4.60GHz (200x23 / 1.44v) Asus SABERTOOTH X58 HIS R9 290 / EK Waterblock + Backplate Sapphire R9 290 / EK Waterblock + Backplate 
RAMHard DriveOptical DriveCooling
24GB Sniper/Vengeance 1600MHz (9-9-9-24, 2T) 1.60v 120GB SSD + 256GB SSD + 1TB HDD Pioneer 218L EK Supreme HF Plexi 
CoolingCoolingCoolingCooling
Alphacool NeXXoS UT60 480mm Rad Alphacool NeXXoS ST30 480mm Rad EK CoolStream RAD XTX 240 Mayhems Pastel Ice White 
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12x Gentle Typhoons / 2x Apache Blacks Windows 10 Home x64 27" Dell U2711 (2560x1440) Razer Lycosa 
PowerCaseMouseAudio
Enermax Revolution 85+ 1050W Corsair Obsidian 900D Corsair Vengeance M60 Logitech Z4 
CPUMotherboardGraphicsRAM
i7 4790K @ 4.7GHz ASUS Maximus VII Hero MSI GTX 1070 Gaming X 32GB GSkill TridentX 2666MHz 
Hard DriveOptical DriveCoolingOS
120GB/480GB/128GB SSD's / 2TB HDD LiteOn iHAS122B Corsair H80i GT / 2x GT 1450rpm Win 10 Home x64 
MonitorPowerCaseAudio
DELL U2711 (2560x1440) Superflower 1300W Silverstone Fortress FT02R-W / Red Interior SupremeFX 
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i5 4690K @ 4.6GHz ASUS Maximus VII Impact EVGA GTX 1070 FE 16GB HyperX Fury (Red) 
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ROG Fortress
(12 items)
 
ROG Node
(10 items)
 
CPUMotherboardGraphicsGraphics
Xeon W3680 @ 4.60GHz (200x23 / 1.44v) Asus SABERTOOTH X58 HIS R9 290 / EK Waterblock + Backplate Sapphire R9 290 / EK Waterblock + Backplate 
RAMHard DriveOptical DriveCooling
24GB Sniper/Vengeance 1600MHz (9-9-9-24, 2T) 1.60v 120GB SSD + 256GB SSD + 1TB HDD Pioneer 218L EK Supreme HF Plexi 
CoolingCoolingCoolingCooling
Alphacool NeXXoS UT60 480mm Rad Alphacool NeXXoS ST30 480mm Rad EK CoolStream RAD XTX 240 Mayhems Pastel Ice White 
CoolingOSMonitorKeyboard
12x Gentle Typhoons / 2x Apache Blacks Windows 10 Home x64 27" Dell U2711 (2560x1440) Razer Lycosa 
PowerCaseMouseAudio
Enermax Revolution 85+ 1050W Corsair Obsidian 900D Corsair Vengeance M60 Logitech Z4 
CPUMotherboardGraphicsRAM
i7 4790K @ 4.7GHz ASUS Maximus VII Hero MSI GTX 1070 Gaming X 32GB GSkill TridentX 2666MHz 
Hard DriveOptical DriveCoolingOS
120GB/480GB/128GB SSD's / 2TB HDD LiteOn iHAS122B Corsair H80i GT / 2x GT 1450rpm Win 10 Home x64 
MonitorPowerCaseAudio
DELL U2711 (2560x1440) Superflower 1300W Silverstone Fortress FT02R-W / Red Interior SupremeFX 
CPUMotherboardGraphicsRAM
i5 4690K @ 4.6GHz ASUS Maximus VII Impact EVGA GTX 1070 FE 16GB HyperX Fury (Red) 
Hard DriveCoolingOSMonitor
120GB SSD + 1TB HDD MSI Dragon AIO Win 10 Home x64 Dell U2711 
PowerCase
Corsair CS650M Fractal Node 304 (White) 
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post #8 of 47
Sometimes the best solution in cases like this is to start from scratch. I would tear th whole system down and rebuild it to a bare minimum. One set or ram, only the ssd and even try just your on board video to start with. Make sure your bios settings are all correct. If you can become stable with that then slowly add components starting with your GPU then your extra ram sticks. You may have just forgot to do something so minor you'll smack yourself.

Also: Make sure all of your case connections are done properly like the USB cables plugged into the correct slots.
post #9 of 47
Thread Starter 
Thx for the help!
My next step will be, to try another PSU. What kind would you recommend?

If that doesn't work, I will tear the **** down to the ******* soldering, and start on minimum requirements!

Will keep you posted on my journey!
post #10 of 47
Rosewill Capstones are inexpensive and often on sale and are made by Seasonic, which is a top OEM.
RYZEN
(14 items)
 
OFFICE PC
(12 items)
 
20TB_HOMENAS
(9 items)
 
CPUMotherboardGraphicsRAM
Ryzen 1700X ASRock Fatal1ty X370 Professional Gaming XFX 390x Corsair Vengeance LPX 64GB DDR4 
Hard DriveOptical DriveCoolingOS
A bunch of swappable SSDs LG BD-ROM Thermaltake CL-P039-AL12BL-A Contac Silent Windows 7 
MonitorKeyboardPowerCase
Generic Korean 32" 4K Generic mechanical rainbow LED lit SeaSonic G Series 550-Watt AZZA Helios 910 CSAZ-910 
MouseAudio
Logitech G500 T1 24BIT Tube USB DAC 
CPUMotherboardGraphicsRAM
AMD Athlon II X2 255 ASRock 970DE3/U3S3 Radeon X300 Kingston KHX1600C9D3/4GX 
Hard DriveHard DriveHard DriveHard Drive
8x Samsung HD204UI 7x Seagate ST2000DM001 Transcend TS16GSSD25-S 2x WD WD40EZRX 
Case
AZZA Helios 
  hide details  
Reply
RYZEN
(14 items)
 
OFFICE PC
(12 items)
 
20TB_HOMENAS
(9 items)
 
CPUMotherboardGraphicsRAM
Ryzen 1700X ASRock Fatal1ty X370 Professional Gaming XFX 390x Corsair Vengeance LPX 64GB DDR4 
Hard DriveOptical DriveCoolingOS
A bunch of swappable SSDs LG BD-ROM Thermaltake CL-P039-AL12BL-A Contac Silent Windows 7 
MonitorKeyboardPowerCase
Generic Korean 32" 4K Generic mechanical rainbow LED lit SeaSonic G Series 550-Watt AZZA Helios 910 CSAZ-910 
MouseAudio
Logitech G500 T1 24BIT Tube USB DAC 
CPUMotherboardGraphicsRAM
AMD Athlon II X2 255 ASRock 970DE3/U3S3 Radeon X300 Kingston KHX1600C9D3/4GX 
Hard DriveHard DriveHard DriveHard Drive
8x Samsung HD204UI 7x Seagate ST2000DM001 Transcend TS16GSSD25-S 2x WD WD40EZRX 
Case
AZZA Helios 
  hide details  
Reply
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