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Strange PSU Issue.

post #1 of 5
Thread Starter 
So my power supply is acting up. It just randomly cuts out. I don't really know why. It doesn't do it under stress, or when any devices are plugged in or removed, when ports are wiggled. Nothing. All I know is unless it's given a steady break before being powered back up, it cuts out again within 3 seconds of being started up. I took it in to my local computer shop, the whole rig to be tested as so they can prove its the power supply to give me the money back on the warranty. After running it for almost 5 working days straight under rigorous stress tests it did not fail them once.

I take it home, it works fine again for 1-2 weeks and them boom. Same problem.

I've bit by bit powered up hardware to the same result, so it can only be the power supply or the motherboard as far as I can tell. Nothing seems to be surging it or overloading it such as faulty equipment e.g. mouse or keyboard.

It's just so temperamental, and I don't want to commit to purchasing a new part to find it was something else that was the issue....

I'm just stumped as of what to do next, any help?
post #2 of 5
But you dont say which PSU you have
Seravee
(24 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 WD40EZRX  WD Green WD60EZRX  WD Red WD80EFZX 8TB  
Hard DriveOptical DriveCoolingCooling
Seagate Ironwolf Pro 10 TB LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15S 
OSMonitorKeyboardPower
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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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 EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD40EZRX  WD Green WD60EZRX  WD Red WD80EFZX 8TB  
Hard DriveOptical DriveCoolingCooling
Seagate Ironwolf Pro 10 TB LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15S 
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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post #3 of 5
Which psu do you have and what are your other pc specs?
Sexy
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Intel Core i7 - 4770 MSI Z87 GD65 - Gaming Palit GTX 760 G.Skill 8gb DDR3 @ 1600mhz 
Hard DriveOptical DriveCoolingOS
1TB Seagate 7200rpm Moserbaer dvd-rw Cooler Master Hyper 212X and 6 case fans. Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
Samsung SyncMaster 2033sw  Moserbaer  Seasonic M12ii - 650w Cooler Master HAF 912 Combat 
MouseMouse PadAudio
Logitech M100r Zebronics TimePad  Philips Explode - 2.1 
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Sexy
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 - 4770 MSI Z87 GD65 - Gaming Palit GTX 760 G.Skill 8gb DDR3 @ 1600mhz 
Hard DriveOptical DriveCoolingOS
1TB Seagate 7200rpm Moserbaer dvd-rw Cooler Master Hyper 212X and 6 case fans. Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
Samsung SyncMaster 2033sw  Moserbaer  Seasonic M12ii - 650w Cooler Master HAF 912 Combat 
MouseMouse PadAudio
Logitech M100r Zebronics TimePad  Philips Explode - 2.1 
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post #4 of 5
If its a cheap one or is too low for your PC specifications, then no wonder why.
Piledriver Reborn
(18 items)
 
   
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Intel I7 4770k 4.5Ghz Asus Z97 P Gigabyte RX 480 4GB 16Gb (4x4Gb) @ 1600Mhz 
Hard DriveHard DriveHard DriveCooling
Kingston SSDNow 120GB M.2 Seagate Constellation ES 2TB Sandisk X110 128gb  Enermax UCTP12P 120mm x 5 
CoolingOSMonitorKeyboard
Phanteks U-Type Black Windows 10 Pro Samsung 27" Curved S27D590C Corsair K95 RGB Platinum 
PowerCaseMouseMouse Pad
Corsair Modular RM650X Zalman Z11 Plus Corsair Scimitar Pro Corsair Polaris 
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Corsair Void 7.1 Ikea Corner Desk 
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Intel Core I5 3427U Panasonic CF-AX2 Intel HD 4000 Series 4GB 1333Mhz DDR3L 
Hard DriveCoolingOSOS
128GB Samsung P830 M-Sata SSD Stock Cooler Windows 10 Pro Remix OS 
OSMonitorKeyboardPower
Ubuntu 16.04.1 1366x768 10.1" Touchscreen @ 60Hz Panasonix CF-AX2 EN-GB Qwerty Keyboard Panasonic 29520mWh 
MouseAudio
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Piledriver Reborn
(18 items)
 
   
CPUMotherboardGraphicsRAM
Intel I7 4770k 4.5Ghz Asus Z97 P Gigabyte RX 480 4GB 16Gb (4x4Gb) @ 1600Mhz 
Hard DriveHard DriveHard DriveCooling
Kingston SSDNow 120GB M.2 Seagate Constellation ES 2TB Sandisk X110 128gb  Enermax UCTP12P 120mm x 5 
CoolingOSMonitorKeyboard
Phanteks U-Type Black Windows 10 Pro Samsung 27" Curved S27D590C Corsair K95 RGB Platinum 
PowerCaseMouseMouse Pad
Corsair Modular RM650X Zalman Z11 Plus Corsair Scimitar Pro Corsair Polaris 
AudioOther
Corsair Void 7.1 Ikea Corner Desk 
CPUMotherboardGraphicsRAM
Intel Core I5 3427U Panasonic CF-AX2 Intel HD 4000 Series 4GB 1333Mhz DDR3L 
Hard DriveCoolingOSOS
128GB Samsung P830 M-Sata SSD Stock Cooler Windows 10 Pro Remix OS 
OSMonitorKeyboardPower
Ubuntu 16.04.1 1366x768 10.1" Touchscreen @ 60Hz Panasonix CF-AX2 EN-GB Qwerty Keyboard Panasonic 29520mWh 
MouseAudio
Panasonic CF-AX2 Touchpad Realtek ALC269 
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post #5 of 5
Quote:
Originally Posted by CammyWammy View Post

I took it in to my local computer shop, the whole rig to be tested as so they can prove its the power supply to give me the money back on the warranty. After running it for almost 5 working days straight under rigorous stress tests it did not fail them once.
They didn't do rigorous testing unless they included kinetic measures on everything except the mechanical memory system, i.e. wack the thing every few seconds while the hard disk was turned off or moved outside the case. I think you have a marginal short between the motherboard and case or a bad connection, including solder connections inside the PSU.
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