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PSU May be broken?

So I built my PC around a week ago. Working fine since. To turn it off I click the power button, it turns off, then I flick the switch on the PSU. Me doing that worked fine. Now whenever I turn my PC back on a week later after doing that nothing happens. My Fans spin, but no display and my keyboard and mouse do not light up. I have to keep rebooting it and then it turns on after of like 10 minutes of constant reboot. I have no Idea whats wrong. 

 

64 Bit

 

I3 8100, 8GB 2400 Corsair Vengeance DDR4, NO GPU, EVGA 450 BT PSU, Gigabyte B360M DS3H, Hype T2 Cooling

Main PC

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i5-9400f @2.9GHz | Corsair H100i Elite Capellix |Gigabyte RGB GTX1060 6GB | Corsair CX650M | Island Professional 120GB SSD | Toshiba 2TB HDD | Corsair Vengeance RGB Pro 2x16 DDR4 3200MHz  | Corsair iCUE 220T | Windows 10 Pro | CPU R20 Cinebench Score -  pts | OpenGL FPS -  FPS | Novabench Score (OC) -  Base - 

Keyboard and Mouse

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Corsair K70 RGB MK.2 Cherry Mx Red | Corsair Glaive RGB

 

Streaming PC (HP Compaq 8100 SFF)

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Xeon X3440 @2.53GHz | Radeon HD 6450 | HP Compaq 240watt PSU | Toshiba 1TB HDD | Samsung 2x4 DDR3 1333MHz | HP Compaq 8100 SFF | Windows 10 Pro | CPU Cinebench Score - 409 cb | OpenGL FPS - 16.77 FPS | Novabench Score (OC) - 991 Base - 938

 

Keyboard and Mouse

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Logitech G413 Silver White LED Romer-G Switch | Old Gateway Mouse

 

Monitors

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AOC - 21.5" IPS LED FHD Model - l2279VWHE | AOC - 24" TN Panel FHD 144hz 1ms Response - Model G2460PF

 

 

 

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Sounds like a bad motherboard

CPU: Core i9 12900K || CPU COOLER : Corsair H100i Pro XT || MOBO : ASUS Prime Z690 PLUS D4 || GPU: PowerColor RX 6800XT Red Dragon || RAM: 4x8GB Corsair Vengeance (3200) || SSDs: Samsung 970 Evo 250GB (Boot), Crucial P2 1TB, Crucial MX500 1TB (x2), Samsung 850 EVO 1TB || PSU: Corsair RM850 || CASE: Fractal Design Meshify C Mini || MONITOR: Acer Predator X34A (1440p 100hz), HP 27yh (1080p 60hz) || KEYBOARD: GameSir GK300 || MOUSE: Logitech G502 Hero || AUDIO: Bose QC35 II || CASE FANS : 2x Corsair ML140, 1x BeQuiet SilentWings 3 120 ||

 

LAPTOP: Dell XPS 15 7590

TABLET: iPad Pro

PHONE: Galaxy S9

She/they 

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When you turn your PC off for the day you don't need to hit the switch on the PSU. You should only do that when you want to probe around inside the case or you're unplugging/plugging in equipment to do an upgrade or other change. You shouldn't hit that switch every single day. It's meant to be left on otherwise.

 

Start with the easiest thing. Unplug a stick of ram. Swap them. Move them around. See if it POSTs. If not we'll go from there.

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Im using it right now, like I said if I just keep turning it off and on it turns on like normal. Im just worried if something does happen and I have to flip the switch I want to make sure that the computer will just work. All I really wanted to know is what is causing the issue.. It seems rare. 

 

Main PC

------------

i5-9400f @2.9GHz | Corsair H100i Elite Capellix |Gigabyte RGB GTX1060 6GB | Corsair CX650M | Island Professional 120GB SSD | Toshiba 2TB HDD | Corsair Vengeance RGB Pro 2x16 DDR4 3200MHz  | Corsair iCUE 220T | Windows 10 Pro | CPU R20 Cinebench Score -  pts | OpenGL FPS -  FPS | Novabench Score (OC) -  Base - 

Keyboard and Mouse

------------

Corsair K70 RGB MK.2 Cherry Mx Red | Corsair Glaive RGB

 

Streaming PC (HP Compaq 8100 SFF)

------------

Xeon X3440 @2.53GHz | Radeon HD 6450 | HP Compaq 240watt PSU | Toshiba 1TB HDD | Samsung 2x4 DDR3 1333MHz | HP Compaq 8100 SFF | Windows 10 Pro | CPU Cinebench Score - 409 cb | OpenGL FPS - 16.77 FPS | Novabench Score (OC) - 991 Base - 938

 

Keyboard and Mouse

------------

Logitech G413 Silver White LED Romer-G Switch | Old Gateway Mouse

 

Monitors

------------

AOC - 21.5" IPS LED FHD Model - l2279VWHE | AOC - 24" TN Panel FHD 144hz 1ms Response - Model G2460PF

 

 

 

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