PC shutting down during gaming after new monitor

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the gamer guy

Active member
My pc is almost 5 years old. It started recently after I upgraded from a 768p monitor to a 1440p and then I started experiencing shutdowns with no warning as if the mains were turned off, followed by it automatically turning on seconds later. I suspect it is my power supply cutting out when under load. The reason why I do not think it is GPU is because the temps max out at 70 in the worst cases during load such as gaming where shutoffs typically happen. This is a pcspecialist pc. I ask for feedback on my suspicions as well as any methods that would help reach a final diagnosis thus solution. Feel free to ask for any extra info/evidence.
Old Monitor: Acer X193HQ
New monitor: LG - UltraGear 32GK650F Quad HD 31.5”
Case
NZXT NOCTIS 450 MID-TOWER GAMING CASE (BLACK/RED)
Processor (CPU)
Intel® Core™ i7 Quad Core Processor i7-6700k (4.0GHz) 8MB Cache
Motherboard
ASUS® MAXIMUS VIII HERO: RoG, PCI-e 3.0, SATA 3.0
Memory (RAM)
8GB HyperX FURY DDR4 2133MHz (2 x 4GB)
Graphics Card
4GB NVIDIA GEFORCE GTX 970 - 2 x DVI, HDMI, DP - GeForce GTX VR Ready!
1st Storage Drive
500GB Samsung 970 Evo (upgraded independently in 2018)
Power Supply
CORSAIR 550W VS SERIES™ VS-550 POWER SUPPLY
Power Cable
1 x 1 Metre UK Power Cable (Kettle Lead)
Processor Cooling
Corsair H100i GTX Hydro Series High Performance CPU Cooler
Thermal Paste
ARCTIC MX-4 EXTREME THERMAL CONDUCTIVITY COMPOUND

I apologise for my taste in PCspecialist forum usernames when I made this account at the age of 13.
 
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ubuysa

The BSOD Doctor
What makes you think it's the PSU? I'm not suggesting that it's not, I'm just wondering whether there are any other indications that point to the PSU?

The first thing I'd do is make sure I had the latest driver for that NVIDIA card. Use DDU to remove all previous drivers, reboot and then install the latest driver.
 

the gamer guy

Active member
What makes you think it's the PSU? I'm not suggesting that it's not, I'm just wondering whether there are any other indications that point to the PSU?

The first thing I'd do is make sure I had the latest driver for that NVIDIA card. Use DDU to remove all previous drivers, reboot and then install the latest driver.

I have implemented your suggestion. After using DDU and installing my latest driver, my pc still cuts out under light gaming. Is there a way to pinpoint which component could be causing this?
 

the gamer guy

Active member
Can you possibly go back to the old monitor to confirm that it still works fine with that?
Unfortunately not, it was recycled. However, I can speak from memory that this has only happened 3-5 times in the last year with the old 768p monitor. With this new 1440p monitor, it happens every time I game.
 

ubuysa

The BSOD Doctor
TBH it shouldn't happen at all, that it has happened with the old monitor indicates some underlying hardware problem. The most likely culprit is the graphics card I think.

Can you try removing the graphics card and running on the iGPU for a while? Graphics performance will be dire of course but if it doesn't shut down then a graphics card fault sounds to be the problem.
 

the gamer guy

Active member
Right so I have done as you have suggested. I have attached some results below regarding this. I started by opening gmod at max settings and letting my 970 handle it. I was able to play gmod for about 10 minutes then I threw a grenade in-game and my computer powered off with no warning as usual. I repeated this several times.

Then I removed the pc outer casing, made sure all fans were spinning(they were) and proceeded to remove the graphics card. After removing the graphics card, I turned on the pc as normal, made sure I was using the same resolution as I was with the graphics card and proceeded to play gmod with the exact same settings as before. Note that the 970 was sitting between 70-78 during gmod gameplay. While I played gmod using the integrated graphics card for a considerably longer amount of time than, the fps was substandard as expected, some lag as well. However, there was not a single power out. CPU temps for the last 10 minutes of the iGPU gaming session are attached below.


1585376228222.png
 

SpyderTracks

We love you Ukraine
Right so I have done as you have suggested. I have attached some results below regarding this. I started by opening gmod at max settings and letting my 970 handle it. I was able to play gmod for about 10 minutes then I threw a grenade in-game and my computer powered off with no warning as usual. I repeated this several times.

Then I removed the pc outer casing, made sure all fans were spinning(they were) and proceeded to remove the graphics card. After removing the graphics card, I turned on the pc as normal, made sure I was using the same resolution as I was with the graphics card and proceeded to play gmod with the exact same settings as before. Note that the 970 was sitting between 70-78 during gmod gameplay. While I played gmod using the integrated graphics card for a considerably longer amount of time than, the fps was substandard as expected, some lag as well. However, there was not a single power out. CPU temps for the last 10 minutes of the iGPU gaming session are attached below.


View attachment 15502
That would then point to an issue with the GPU at a hardware level unfortunately.

What's likely happening is that the GPU is able to work fine until it reaches a certain power threshold which is then either causing a power surge on the card, the old monitor being very low resolution probably never really pushed the GPU to it's limits whereas 1080p will.

Forgive me if you've already done this, but as a final test, may be worth plugging the 970 back in, and checking the thermal performance when under load?

My guess is though, the GPU has failed and needs replacing.
 

the gamer guy

Active member
That would then point to an issue with the GPU at a hardware level unfortunately.

What's likely happening is that the GPU is able to work fine until it reaches a certain power threshold which is then either causing a power surge on the card, the old monitor being very low resolution probably never really pushed the GPU to it's limits whereas 1080p will.

Forgive me if you've already done this, but as a final test, may be worth plugging the 970 back in, and checking the thermal performance when under load?

My guess is though, the GPU has failed and needs replacing.
Have just done that and it has not been possible to get a screenshot of a temp graph, but it cut out at 68 Celcius.
 

the gamer guy

Active member
I'm in full agreement with the above. That's kind of what I expected to see. If it were mine I'd get a new graphics card.
In that case, could I ask for some suggestions for the new graphics card
I am willing to spend up to £300ish
I really want to be able to play Forza Horizon 4 and gta6(when it is released) at relatively high settings
My monitor as I have learnt recently is equipped with "FreeSync"
 

the gamer guy

Active member
Unless you can find a very good offer, £300 will be getting you a 2060 maximum...whether that is good enough for 1440 144Hz gaming I am not sure. At that budget, plus/minus the odd £, I can find Palit, Gigabyte, MSI and ASUS Tuf Gaming versions
would it be advisable to look into 2nd card 10 series cards?
It doesn't seem like my taste of games will be taking advantage of ray tracing by very much and it's been nearly 2 years since the RTX launch and only 3 games support it to some degree.
The AMD rx5700 and rx5700xt seem to also overtake their RTX counterparts in many of the popular titles today.
 

SpyderTracks

We love you Ukraine
would it be advisable to look into 2nd card 10 series cards?
It doesn't seem like my taste of games will be taking advantage of ray tracing by very much and it's been nearly 2 years since the RTX launch and only 3 games support it to some degree.
The AMD rx5700 and rx5700xt seem to also overtake their RTX counterparts in many of the popular titles today.
The 20 series don’t have to have ray tracing turned on, that’s just an extra feature. The 20 series cater for 1440p gaming and upwards.

If you wanted 10 series you’d be looking at a minimum of GTX1070, but a second hand RTX2070 or even 2060 Super would be much better.
 

the gamer guy

Active member
After looking around for a considerable amount of time, I find myself overwhelmed with choices. With my budget being £350, I have not found any good deals on eBay.
I am strung between the 5600xt and 2060 but I will happily take a good deal found on the 2070 or 5700xt
Are the aboive choices reasonable?
what do you think of this deal?
edit: did get an offer for £300
 
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SpyderTracks

We love you Ukraine
After looking around for a considerable amount of time, I find myself overwhelmed with choices. With my budget being £350, I have not found any good deals on eBay.
I am strung between the 5600xt and 2060 but I will happily take a good deal found on the 2070 or 5700xt
Are the aboive choices reasonable?
what do you think of this deal?
edit: did get an offer for £300
5700xt is perfect for 1440p, I’d grab that!
 

SpyderTracks

We love you Ukraine
I have purchased the Saphire rx5700 xt for £300.
What should I check for regarding the card to make sure I have actually got a legitimate fully functioning card that will last as long as it is supposed to?
You can use GPU-Z to check its real

and run furmark and normal benchmarks to make sure it’s operating effectively.
 

the gamer guy

Active member
You can use GPU-Z to check its real

and run furmark and normal benchmarks to make sure it’s operating effectively.
Update:
after installing the rx500xt I expected everything to go back to normal. This is not the case. The power cuts still happen under the same circumstances.
 

ubuysa

The BSOD Doctor
Update:
after installing the rx500xt I expected everything to go back to normal. This is not the case. The power cuts still happen under the same circumstances.
Does the motherboard have another slot in which you could try the graphics card? The testing you did earlier without a dGPU showed the problem went away, so it has to be either the card (which you've replaced), the slot in which it's fitted, or some other motherboard issue.
 

the gamer guy

Active member
Does the motherboard have another slot in which you could try the graphics card? The testing you did earlier without a dGPU showed the problem went away, so it has to be either the card (which you've replaced), the slot in which it's fitted, or some other motherboard issue.
Does that necessarily mean that its the gpu/its slot at fault? Removing a graphics card reduces load on the power supply by a significant amount too so did that test really rule out the psu?
I do have a second slot. I will be trying that later today
 
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