What is causing my issue?

how old is your psu and have you cleaned out the dust of whole pc. lastly when was the thermal paste last applied, or has it been re done latley?

with useb ports not powering properly and black screens leads me to belive its a psu problem.

but your 1070 is running far too warm too ideally keep it around 70 for longevity of the hardware, adjust case fans or install more fans if you only have 1-2 alreday
 
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It is all around 3 years old with fairly heavy usage (4/5 hours most days).

I haven't reapplied thermal paste since I built it 3 years ago. Perhaps I'll take it all out and clean it, whilst reapply the paste.

Edit: When you say get a different cable for the GPU, does this mean an entirely new PSU?

Edit: Would this be a better cooler than the Ryzen 5 1600 stock cooler and fit inside this case?
 
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ok i see you have the cx550 non modular and so cant try a new cable. download hwinfo and check the 12v supply from your gpu and see what the 12v reading drops to under load. check the minimum voltage recorded on hwinfo by looking at the minimum tab :)

Edit: yes to both cooler and case :)
 
ok i see you have the cx550 non modular and so cant try a new cable. download hwinfo and check the 12v supply from your gpu and see what the 12v reading drops to under load. check the minimum voltage recorded on hwinfo by looking at the minimum tab :)

Edit: yes to both cooler and case :)

FANtastic. New fans ordered and new CPU cooler. In the meantime I will observe the temps.
 
I'm having exactly the same issue on my PC so i'm interested to see if the new CPU cooler works.

I have intel i7 4790K (not OC), KFA2 2070S (not OC), 16Gb corsair vengeance LP ram @ 1600MHz, GA-H81M-S2H mobo, Kraken M22 CPU cooler and a Corsair SF750 small form PSU.

I've also got Steelseries Arctic Pro wired headset perma plugged in as well as a gaming mouse and keyboard. Outputting to a Samsung CF791 34" monitor.

I've tried reseating all the power cables and swapping the cables supplying the GPU. Using Afterburner to log temps doesn't seem to show any extremes of temperature in either the CPU or GPU when the crashes happen.

New PSU?

My case is a Coolermaster MasterCase MC500M

Also I sent the GPU back to be tested and no problems apparently although I didn't get the problem with my old GTX 960 or a second hand RX480.

I've also done the drivers thing twice.
 
I'm having exactly the same issue on my PC so i'm interested to see if the new CPU cooler works.

I have intel i7 4790K (not OC), KFA2 2070S (not OC), 16Gb corsair vengeance LP ram @ 1600MHz, GA-H81M-S2H mobo, Kraken M22 CPU cooler and a Corsair SF750 small form PSU.

I've also got Steelseries Arctic Pro wired headset perma plugged in as well as a gaming mouse and keyboard. Outputting to a Samsung CF791 34" monitor.

I've tried reseating all the power cables and swapping the cables supplying the GPU. Using Afterburner to log temps doesn't seem to show any extremes of temperature in either the CPU or GPU when the crashes happen.

New PSU?

My case is a Coolermaster MasterCase MC500M

Also I sent the GPU back to be tested and no problems apparently although I didn't get the problem with my old GTX 960 or a second hand RX480.

I've also done the drivers thing twice.

I havent managed to get a new PSU yet as I'm considering upgrading mobo and cpu at the same time
 
I'd suspect the others are right and the temps are to blame here. You'd expect your PSU to last longer than 3 years with a 5 years warranty for corsair... If your friend is up for it perhaps you can swap PSUs if the temps theory doesn't pan out?
 
So in my case with the same issue my GPU has a max temp under load today of 63C and the CPU (4790k) has a max of 55C. I've downloaded HWiNFO64 for the monitoring
 
ok i see you have the cx550 non modular and so cant try a new cable. download hwinfo and check the 12v supply from your gpu and see what the 12v reading drops to under load. check the minimum voltage recorded on hwinfo by looking at the minimum tab :)

Edit: yes to both cooler and case :)

What should we be looking out for there? The min that has been reported by mine so far has been 11.880V
 
which 12v voltage did you check?
didn't realise there was more than 1! I was checking the +12V in the section about the motherboard

The one on the GPU section where it says "GPU PCIe +12V Input" gives a minimum of 11.525V (average 11.784V, max = 11.838V)

below that on GPU 6-pin #1 Input Voltage I have:. min = 11.839V, Max = 12.066V, Average = 11.913V
Below that on GPU 8-pin #1 Input Voltage I have min = 11.600V, Max = 11.735V, Average = 11.633V
 
The 8 pin seems a little low but still within normal operating voltage. your temps also seem fine. have you checked event viewer custom views/administrative event to see what error is reported after you restart the pc from black screen?
 
OK It has literally just crashed again. According to the HWiNFO logging file the GPU power spiked from 8.506W to 18.671W to a 136.212W within three ms when it crashed. Not an unusual power I think

Other big changes collected by HWiNFO during the crash include:
Core 0 T0 C0 Residency approximately doubled to 40.0
Core 0 T1 C0 Residency approximately doubled to 34.3
Core 3 T1 C0 Residency [%] rose from 16.5 to 42.2
Core 0 C3 Residency % dropped to 15.1 from 61.8
Core 1 C3 Residency % dropped to 0 from 46.2


In event viewer custom views/administrative events I see 5 errors and one "critical"

The Event IDs are as follows:
28 Kernel-EventTracing
1101 Eventlog
41 Kernel-Power (task Category 63) - this was the critical
161 volmgr
161 volmgr
6008 Eventlog

Not sure what to do with these!

actually there's a few more too with following event IDs:
1001
1005
65
2
 
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Run the system with one stick of ram, see if the issue clears with either of them on their own.
 
So I just did a GPU stress test. It got around 1/4 through, reaching 86ºc, then the screen went black. It is worth noting that I can hear my music playing and things working as normal, my screen just becomes unresponsive.

This is normal it does not reboot anymore like when i push my 4770k i can po po myself when i hear a sudden click and it reboots it scares me sometimes. What you states it exactly what i think an unstable gpu would do and has done to me. When my gpu was OC too much the screen goes black but sound can remain.


Underclock the gpu maybe? The pixelation points maybe to the 1070 memory being done or the whole card being unstable.
 
I've converted the HWiNFO data into graphs to help me analyse any patterns (not that I know much what I'm looking at it). The trends I've noticed are:

on my CPU the Core 1 C3 residency spends quite a lot of time at 0% whereas cores 0, 2 and 3 never touch or go that close to 0% I'm not sure if this is telling. It also fell to 0 when crash happened.
At the crash the power use of the GPU increases to the higher levels but not above the normal high use situation however as this happens the +12V input voltage drops to a relatively low 11.636V is that expected?
At the time of the crash the "Performance Limit - Reliability Voltage, the "Performance Limit - Max Operating Voltage" have values of "Yes"
The "Performance Limit - Utilization" gets a value of "NO" where its always been Yes before.
System 1 fan shows a fall from an average of 650rpm to 635rpm.

What can I do with the logs in Event Viewer?

Also thanks to all the people helping!

I'll try the RAM thing today.
 
the volmgr is a concern as that maybe hdd/ssd having bad sectors. could be causing the issue. try running cmd as admin then copy and paste chkdsk /f. Then restart and copy and paste this into cmd admin SFC/ scannow and see if it finds any errors. i had an nvme drive go bad randomly that did the same is your system is.
 
the volmgr is a concern as that maybe hdd/ssd having bad sectors. could be causing the issue. try running cmd as admin then copy and paste chkdsk /f. Then restart and copy and paste this into cmd admin SFC/ scannow and see if it finds any errors. i had an nvme drive go bad randomly that did the same is your system is.
Did that and got a message that said:

"Windows Resource Protection found corrupt files and successfully repaired them.
For online repairs, details are included in the CBS log file located at
windir\Logs\CBS\CBS.log. For example C:\Windows\Logs\CBS\CBS.log. For offline
repairs, details are included in the log file provided by the /OFFLOGFILE flag."

Good that it's repaired them?
 
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