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Motherboard boots with one powersupply but not the other...

post #1 of 3
Thread Starter 
My cousin bought a Corsair TX650 PSU about six months ago and it was working just fine.
Just recently his computer wouldn't POST.
I thought the PSU might have died.

So I plugged in some cheapy power supply to make into the system and it did POST.

Then I thought it must be the PSU.
I did the paper clip test and the fan for the PSU did turn on.
Later I plugged in the Corsair PSU into a different motherboard and it did POST. Completely confused I plugged it back into my cousins system and it didn't work. What's the deal? Works with cheap PSU (it powers on), but not the Corsair one?
Corsair PSU works with another motherboard but not my cousin's?

Edit:
I took out the motherboard from the case and now I only have the 24 pin and 4 pin power connectors. The board will power on with both the cheap PSU and the Corsair PSU.
Now it seems like the motherboard is to blame. It turns on and off continuously until I cut the power.
Edited by Evil Penguin - 6/2/11 at 3:25am
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Dead Ryzen
(12 items)
 
Penguin Box
(9 items)
 
 
CPUMotherboardGraphicsRAM
AMD RYZEN 7 1800X  MSI B350M MORTAR ARCTIC AMD Radeon Vega Frontier Edition G.SKILL TridentZ Series 32GB DDR4 3200 (2 x 16G... 
Hard DriveHard DriveCoolingMonitor
SAMSUNG SSD 950 PRO 512GB Crucial MX300 2TB Noctua NH-U12S  BenQ XL2730Z - 27” 2560x1440 
KeyboardPowerCaseMouse
Das Keyboard 4 Professional Soft Tactile (MX Br... Seasonic X-850(SS-850KM3 Active PFC F3) Fractal Design Define Mini C BenQ ZOWIE EC1-A 
CPUMotherboardGraphicsRAM
Intel Core i7-2600K @4.6 GHz P8Z68-V AMD Radeon RX 480 (ref. design) Mushkin Enhanced Stealth 8GB (2 x 4GB) (PC3 17000) 
Hard DriveCoolingOSPower
SanDisk Extreme PRO 480GB Noctua NH-U12 S Arch Linux Seasonic SS-520FL 520W 
Case
Corsair Vengeance Series C70 
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post #2 of 3
Did you try it again after you used the paperclip? Might work but i would just RMA it and have him use the cheap one until ge gets it back.
post #3 of 3
Thread Starter 
But why would the "broken" PSU work fine on another system?
Dead Ryzen
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CPUMotherboardGraphicsRAM
AMD RYZEN 7 1800X  MSI B350M MORTAR ARCTIC AMD Radeon Vega Frontier Edition G.SKILL TridentZ Series 32GB DDR4 3200 (2 x 16G... 
Hard DriveHard DriveCoolingMonitor
SAMSUNG SSD 950 PRO 512GB Crucial MX300 2TB Noctua NH-U12S  BenQ XL2730Z - 27” 2560x1440 
KeyboardPowerCaseMouse
Das Keyboard 4 Professional Soft Tactile (MX Br... Seasonic X-850(SS-850KM3 Active PFC F3) Fractal Design Define Mini C BenQ ZOWIE EC1-A 
CPUMotherboardGraphicsRAM
Intel Core i7-2600K @4.6 GHz P8Z68-V AMD Radeon RX 480 (ref. design) Mushkin Enhanced Stealth 8GB (2 x 4GB) (PC3 17000) 
Hard DriveCoolingOSPower
SanDisk Extreme PRO 480GB Noctua NH-U12 S Arch Linux Seasonic SS-520FL 520W 
Case
Corsair Vengeance Series C70 
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Dead Ryzen
(12 items)
 
Penguin Box
(9 items)
 
 
CPUMotherboardGraphicsRAM
AMD RYZEN 7 1800X  MSI B350M MORTAR ARCTIC AMD Radeon Vega Frontier Edition G.SKILL TridentZ Series 32GB DDR4 3200 (2 x 16G... 
Hard DriveHard DriveCoolingMonitor
SAMSUNG SSD 950 PRO 512GB Crucial MX300 2TB Noctua NH-U12S  BenQ XL2730Z - 27” 2560x1440 
KeyboardPowerCaseMouse
Das Keyboard 4 Professional Soft Tactile (MX Br... Seasonic X-850(SS-850KM3 Active PFC F3) Fractal Design Define Mini C BenQ ZOWIE EC1-A 
CPUMotherboardGraphicsRAM
Intel Core i7-2600K @4.6 GHz P8Z68-V AMD Radeon RX 480 (ref. design) Mushkin Enhanced Stealth 8GB (2 x 4GB) (PC3 17000) 
Hard DriveCoolingOSPower
SanDisk Extreme PRO 480GB Noctua NH-U12 S Arch Linux Seasonic SS-520FL 520W 
Case
Corsair Vengeance Series C70 
  hide details  
Reply
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