Newly Built PC Won't Start! (Random shutdown and Standby mode)

[adeanda92]

So I have owned my PC for a short while about two months or less and had no issues with it. I never had any issues with it until it shutoff while I was watching Netflix all of a sudden. I was downloading in the background but I've never had issues with it ever. Here are my Specs:

Phanteks Enthoo Luxe (Used case)
Ryzen 1600X (Stock Settings)
AsRock x370 Taichi
Radeon RX Vega 64 (stock Settings)
8GB Patriot Viper 4 DDR4 3200MHZ
Noctua NH-D15 CPU Cooler
EVGA 850W G2 80+ Gold

I am currently running both my GPU and CPU in stock since I don't have a need to overclock. I run mostly everything on my 1440p 60HZ(75HZ overclock) monitor at an avg of 60FPS smooth. Until I get a new monitor to push it I don't see a need to overclock. I do have an M.2 (for windows 10) and an SSD they are almost at full capacity about 80%. I'm not sure if this could cause a shutdown but I am honestly stumped trying to isolate the problem.

I reseated everything today and tried to turn it on; I even removed the old thermal paste and added it again. It came on for like 5 seconds fans started spinning and then shutoff (Same issues I have been having). Once it turns off I can't press the power button on the case anymore. I have to switch off my power supply and then turn it back on for the power button to be on the case. I checked the power cable going into the MOBO and it is in the appropriate placement. I removed the CMOS battery and put it back in. Nothing happened same issues.

The last thing I did was I shut everything off, turned on the power supply. I left the power off to my PC (Meaning I didn't push the case power button). I went to work for about 12 hours. Turned on the case power button. My PC boots and starts recovery. couldn't find recovery data so I just cancelled it. Turns out my PC didn't need recovery cause all my data is fine. I used my computer for a bit but then went to make dinner. By this time my PC went to sleep mode and the keyboard mouse gamepad is still on. I clicked my mouse it was unresponsive, I clicked my keyboard and it was also unresponsive, on my gamepad only the brightness was responsive, I pressed Caps lock and every key on my keyboard and it wouldn't turn on. I press the case power button and it did not turn on.

At this point I decided to turn off the power supply. I turn the power supply back on and then the case power button it turns on for like a second and shuts off. Back to square one.

I am kind of stumped as to what can be causing this. Is it a power supply problem or is it the case switch, or my MOBO? I do have enough power or else I don't think my PC would have started from the get go. Also I have noticed that the LED on the case never came on since I bought it. I bought it used on Ebay but it was almost brand new. not a single scratch. all the fans work. I don't have any LED strips on the case so I was wondering what could be causing this issue? Thank you all

UPDATE:

OBSERVED SYMPTOMS:
Before Reseating:
-Power shuts off randomly (1 second, 5 seconds, 30 seconds, post-boot, etc.)
-Fans start
-When random shutdown occurs, power button on case will not work and have to reset the PSU.
-MOBO LEDs turn on when PSU is reset, Turn off after random reset.
-CMOS battery removal did not solve issue.
-Power button cable is in the correct position on MOBO

Post Reseat:
-Was able to use computer no issues.
-System when into recovery, I cancelled it since I didn't have data on recovery.
-I did not lose any data.
-After computer when on standby/sleep mode I could not bring it out of standby mode.
-had to reset the PSU, and now random shuts off.

What I have not done:
Tested the PSU with my multimeter
Tested the CMOS with my Multimeter
Checked the case power button (having trouble reaching the button, I have to take apart the case)
I do not know which things to check for on the MOBO to test it.

I do have a multimeter but no O-scope. I do not know to check for specific components on the MOBO I have an ASrock x370 Taichi so if anybody can provide any insight as to which components I could test that could be causing a random shutdown or prevent the PC from coming from stand by. I am an electrician and I do believe it all leads to the power button short but could that prevent the PC from coming from stand by or even staying on?

 

[vapour]

Sounds like a OC instability on the ram. What speed are you running your ram? XMP? or manual DOCP setting? What voltage?

 

[alzuhairfayez]

So I have owned my PC for a short while about two months or less and had no issues with it. I never had any issues with it until it shutoff while I was watching Netflix all of a sudden. I was downloading in the background but I've never had issues with it ever. Here are my Specs:

Phanteks Enthoo Luxe (Used case)
Ryzen 1600X (Stock Settings)
AsRock x370 Taichi
Radeon RX Vega 64 (stock Settings)
8GB Patriot Viper 4 DDR4 3200MHZ
Noctua NH-D15 CPU Cooler
EVGA 850W G2 80+ Gold

I am currently running both my GPU and CPU in stock since I don't have a need to overclock. I run mostly everything on my 1440p 60HZ(75HZ overclock) monitor at an avg of 60FPS smooth. Until I get a new monitor to push it I don't see a need to overclock. I do have an M.2 (for windows 10) and an SSD they are almost at full capacity about 80%. I'm not sure if this could cause a shutdown but I am honestly stumped trying to isolate the problem.

I reseated everything today and tried to turn it on; I even removed the old thermal paste and added it again. It came on for like 5 seconds fans started spinning and then shutoff (Same issues I have been having). Once it turns off I can't press the power button on the case anymore. I have to switch off my power supply and then turn it back on for the power button to be on the case. I checked the power cable going into the MOBO and it is in the appropriate placement. I removed the CMOS battery and put it back in. Nothing happened same issues.

The last thing I did was I shut everything off, turned on the power supply. I left the power off to my PC (Meaning I didn't push the case power button). I went to work for about 12 hours. Turned on the case power button. My PC boots and starts recovery. couldn't find recovery data so I just cancelled it. Turns out my PC didn't need recovery cause all my data is fine. I used my computer for a bit but then went to make dinner. By this time my PC went to sleep mode and the keyboard mouse gamepad is still on. I clicked my mouse it was unresponsive, I clicked my keyboard and it was also unresponsive, on my gamepad only the brightness was responsive, I pressed Caps lock and every key on my keyboard and it wouldn't turn on. I press the case power button and it did not turn on.

At this point I decided to turn off the power supply. I turn the power supply back on and then the case power button it turns on for like a second and shuts off. Back to square one.

I am kind of stumped as to what can be causing this. Is it a power supply problem or is it the case switch, or my MOBO? I do have enough power or else I don't think my PC would have started from the get go. Also I have noticed that the LED on the case never came on since I bought it. I bought it used on Ebay but it was almost brand new. not a single scratch. all the fans work. I don't have any LED strips on the case so I was wondering what could be causing this issue? Thank you all

UPDATE:

OBSERVED SYMPTOMS:
Before Reseating:
-Power shuts off randomly (1 second, 5 seconds, 30 seconds, post-boot, etc.)
-Fans start
-When random shutdown occurs, power button on case will not work and have to reset the PSU.
-MOBO LEDs turn on when PSU is reset, Turn off after random reset.
-CMOS battery removal did not solve issue.
-Power button cable is in the correct position on MOBO

Post Reseat:
-Was able to use computer no issues.
-System when into recovery, I cancelled it since I didn't have data on recovery.
-I did not lose any data.
-After computer when on standby/sleep mode I could not bring it out of standby mode.
-had to reset the PSU, and now random shuts off.

What I have not done:
Tested the PSU with my multimeter
Tested the CMOS with my Multimeter
Checked the case power button (having trouble reaching the button, I have to take apart the case)
I do not know which things to check for on the MOBO to test it.

I do have a multimeter but no O-scope. I do not know to check for specific components on the MOBO I have an ASrock x370 Taichi so if anybody can provide any insight as to which components I could test that could be causing a random shutdown or prevent the PC from coming from stand by. I am an electrician and I do believe it all leads to the power button short but could that prevent the PC from coming from stand by or even staying on?


i think I know what’s happening. I think that something is shorting out and your psu has the 80+ certification which means that the psu activates the safety mechanism which cuts out all power to all parts. Good psus have that. Check if your mob stand-ofs are assembled correctly. If the back of the motherboard touches any metal thing the circuit short out and because the psu is smart, it immediately stops the electricity so nothing burns out. Try taking out a component, then booting it ,and then close it if the problem persists. First take out the storage devices one by one, then the GPU, then the peripherals and so on. Do that part by part. You can even try booting it with the mob on a carton box outside the case and see if that’s the problem. I saw a guys on YouTube doing this, he took out part by part and at the end, the pc would boot perfectly fine without one of the ssds ant it turns out that he he ssd tray wasn’t soldered correctly and it shortened out. You can put your ear close to the psu and hear if it clicks after the 5 seconds of your computer being on. If it does then it’s the safety thing. But even if it doesn’t just do what I told you. There might be a Loose wire that touches something and causes it to short out. Good luck and I hope it works for you.

 

[rocktalkrock]

Your SSD at 80% capacity should not be any problem. All SSD's are actually larger than their advertised capacity [over-provisioning], or that your operating system can see. So 80% full is just 80% of what Windows can see.