PC turns on for a split second then shuts back off.

uckaliaj · Jan 9, 2016

Hey Guys, So before I start explaining my issue, here is my build:
CPU: i5 4690k
GPU: Gigabyte Geforce G1 Gaming GTX 970
MOTHERBOARD: ASRock Z97 Extreme6
PSU: XFX 850W Black Edition (Old one that blew up); NEW PSU: CX600M
HDD: WD Black 1TB
SSD: Samsung 250GB EVO
RAM: G. Skill Ripjaws X Series 8GB DDR3
CPU Cooler: Hyper 212 EVO
CASE: NZXT H440

So I've been having this problem with my PC ever since my PSU blew up. Earlier that day my PC shut itself off, so I turned it back on and after a minute or so it shut off again so then I just left it and I went out for a few hours. When I came back I pressed the power button and my PSU instantly blew up, I saw the big flash and heard a very loud bang. The PSU was a XFX 850W Black Edition. So then I went to micro center and got a new PSU, the CX 600m. Went home and installed it and same thing, computer shuts off after a split second. So then I did a little bit of research and found out that maybe one of the capacitors on my mobo died after my PSU blew up (or the entire mobo was gone) so then I decided to order the same exact mobo (ASRock Extreme6). After I got my mobo, I took everything out and installed the new mobo. And guess what, SAME EXACT THING. Then I started plugging everything in 1 by 1, still wouldn't fully turn on. The CPU fans turn on for that split second, the "WINDFORCE" logo on the 970 turns on and the motherboards red light turns on but only for that split second. I have seriously tried everything, I even went to a friends house and check my GPU and it works on his system perfectly fine. I've done the paperclip test on the new PSU that I got (CX600M) and fans spin. So then I did more research and found out that maybe there was a short, and so I checked my mobo and if it was missing any stand offs and it was, so I borrowed one from my friend, installed it, put everything back, and same thing. Also I want to mention that I have reset the CMOS, taken the battery out and everything, but seriously there is nothing left... What could it be? Last thing is my Case, maybe its not touching the back plate of the mobo or something. Or maybe my CPU, but I don't think its my CPU because same thing was happening on my old mobo. If anyone can help my out please do so, I've been really frustrated because I have literary tried everything that makes sense (besides what I mentioned) and this PC was just build ( around 2 months old).

To anyone that can help me,
Thank you,
-Uke

Sergeant_Sneaky · Jan 9, 2016

When you put it together piece by piece, did you try both sticks of RAM separately? I had a similar issue when one of my RAM sticks decided to die. If you have RAM from another PC, you could try that too. Also give building the PC outside the case on a non conductive surface a go and see if it works. It's very possible that something/everything has been killed by the PSU dying but fairly unlikely. Did you try without your graphics card inserted? Also try resetting the CMOS. (Sorry for the order of those, I wrote them as I thought of them)

uckaliaj · Jan 9, 2016

Sergeant_Sneaky :

Yeah I have, I completely forgot to mention that, I even tried them on different Ram slots but nothing works. And no I have not tried different ram, maybe ill try that. I have also reset the CMOS but still... and yes i have tried turning it on without my GPU as well.

Sergeant_Sneaky · Jan 9, 2016

uckaliaj :

Sergeant_Sneaky :

Yeah I have, I completely forgot to mention that, I even tried them on different Ram slots but nothing works. And no I have not tried different ram, maybe ill try that. I have also reset the CMOS but still... and yes i have tried turning it on without my GPU as well.

Okay, well hopefully that will help us narrow down the issue.

uckaliaj · Jan 9, 2016

Sergeant_Sneaky :

uckaliaj :

Okay, well hopefully that will help us narrow down the issue.

Hey just tried the ram, same thing but I also went to microcenter and got S new case (NZXT S340) now I'm gonna put back in and if this doesn't work there is seriously one thing left, the CPU.

Sergeant_Sneaky · Jan 9, 2016

uckaliaj :

Sergeant_Sneaky :

Hey just tried the ram, same thing but I also went to microcenter and got S new case (NZXT S340) now I'm gonna put back in and if this doesn't work there is seriously one thing left, the CPU.

Good luck

uckaliaj · Jan 9, 2016

Sergeant_Sneaky :

uckaliaj :

Sergeant_Sneaky :

Hey just tried the ram, same thing but I also went to microcenter and got S new case (NZXT S340) now I'm gonna put back in and if this doesn't work there is seriously one thing left, the CPU.

Good luck

Nope, same fucking bullshit, this is really pissing me off, last thing is the CPU BUT There is no way it's the CPU

Sergeant_Sneaky · Jan 9, 2016

uckaliaj :

Sergeant_Sneaky :

Nope, same fucking bullshit, this is really pissing me off, last thing is the CPU BUT There is no way it's the CPU

It's possible, and if the CPU has died, that could mean other components have aswell unfortunately. Try building the system on the motherboard box like people like to do, I doubt it will change anything but it's worth a try.

uckaliaj · Jan 10, 2016

Sergeant_Sneaky :

uckaliaj :

It's possible, and if the CPU has died, that could mean other components have aswell unfortunately. Try building the system on the motherboard box like people like to do, I doubt it will change anything but it's worth a try.

Nah man I don't think it's the CPU and all of my other parts work soooo idk, but there is a chance it can be the CPU of course. Is there a way to test if it works? And I'll try building it outside I guess, and should I plug everything in when building outside?

Sergeant_Sneaky · Jan 10, 2016

uckaliaj :

Sergeant_Sneaky :

uckaliaj :

It's possible, and if the CPU has died, that could mean other components have aswell unfortunately. Try building the system on the motherboard box like people like to do, I doubt it will change anything but it's worth a try.

Nah man I don't think it's the CPU and all of my other parts work soooo idk, but there is a chance it can be the CPU of course. Is there a way to test if it works? And I'll try building it outside I guess, and should I plug everything in when building outside?

I'm not sure how to test the CPU if you've tried another motherboard. You'll just need to plug in the necessary power connectors.

nick visser · Mar 1, 2016

uckaliaj :

Hey Guys, So before I start explaining my issue, here is my build:
CPU: i5 4690k
GPU: Gigabyte Geforce G1 Gaming GTX 970
MOTHERBOARD: ASRock Z97 Extreme6
PSU: XFX 850W Black Edition (Old one that blew up); NEW PSU: CX600M
HDD: WD Black 1TB
SSD: Samsung 250GB EVO
RAM: G. Skill Ripjaws X Series 8GB DDR3
CPU Cooler: Hyper 212 EVO
CASE: NZXT H440

So I've been having this problem with my PC ever since my PSU blew up. Earlier that day my PC shut itself off, so I turned it back on and after a minute or so it shut off again so then I just left it and I went out for a few hours. When I came back I pressed the power button and my PSU instantly blew up, I saw the big flash and heard a very loud bang. The PSU was a XFX 850W Black Edition. So then I went to micro center and got a new PSU, the CX 600m. Went home and installed it and same thing, computer shuts off after a split second. So then I did a little bit of research and found out that maybe one of the capacitors on my mobo died after my PSU blew up (or the entire mobo was gone) so then I decided to order the same exact mobo (ASRock Extreme6). After I got my mobo, I took everything out and installed the new mobo. And guess what, SAME EXACT THING. Then I started plugging everything in 1 by 1, still wouldn't fully turn on. The CPU fans turn on for that split second, the "WINDFORCE" logo on the 970 turns on and the motherboards red light turns on but only for that split second. I have seriously tried everything, I even went to a friends house and check my GPU and it works on his system perfectly fine. I've done the paperclip test on the new PSU that I got (CX600M) and fans spin. So then I did more research and found out that maybe there was a short, and so I checked my mobo and if it was missing any stand offs and it was, so I borrowed one from my friend, installed it, put everything back, and same thing. Also I want to mention that I have reset the CMOS, taken the battery out and everything, but seriously there is nothing left... What could it be? Last thing is my Case, maybe its not touching the back plate of the mobo or something. Or maybe my CPU, but I don't think its my CPU because same thing was happening on my old mobo. If anyone can help my out please do so, I've been really frustrated because I have literary tried everything that makes sense (besides what I mentioned) and this PC was just build ( around 2 months old).

To anyone that can help me,
Thank you,
-Uke

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