Issue with my PC randomly cutting power

S

shjante

New member
Hi,

I've had my PC for about 2.5 years now and as much as I love the company and the device, it's sadly not been a smooth running period of time, but I wont go over every small issue because these things are just a part of the process and can happen. I had an issue back in 2021 where my PC refused to boot at all and just gave me a series of beeps, after a lot of testing with a work friend, he discovered faults with the motherboard and I had to send the tower in for a warranty fix, slightly confusing was the document that I got for the repair stating an SSD fault, but we found no issues with the SSD from our testing. But I was just happy to have a working machine again so I could carry on with work, the device is mostly used for film production, video editing etc. and the backlog was a little worrying.

Fast forward to last week and my device randomly just lost power, I did some initial testing my self and thought it might have been down to my secondary hard drive, being an older HDD, after removing it and giving everything a once over and a good dusting, everything seemed to be in the clear and got a solid weeks use without any issues, but when I went to boot this morning the power offs began again.

They're intermittent, happening between 20 minutes and 2 hours or so, nothing appears to be overheating, but I do notice some performance issues happening before the power gives out, even little things like hovering the icons on the taskbar, they highlight incredibly slowly etc., swapping tabs in browser or going between discord servers has a big delay.

I've tested and done as much as I feel comfortable/confident enough to do, my work partner seems to think it's my motherboard again but i'm not sure, as he has only given his opinion after looking at diagnostics i've sent him and not actually testing the PC hands on.

Any advice would be massively appreciated!

Thanks,
and i'll list the specs below

Case
CORSAIR iCUE 220T RGB AIRFLOW MID TOWER GAMING CASE
Promotional Item
Get Assassin’s Creed® Valhalla with select AMD Ryzen CPUs
Processor (CPU)
AMD Ryzen 9 3900XT 12 Core CPU (4.7GHz/70MB CACHE/AM4)
Motherboard
GIGABYTE X570 GAMING X: ATX (USB 3.2 Gen 1, PCIe 4.0) - ARGB Ready!
Memory (RAM)
64GB Corsair VENGEANCE DDR4 3000MHz (4 x 16GB)
Graphics Card
10GB NVIDIA GEFORCE RTX 3080 - HDMI, DP, LHR
1st Storage Drive
1TB PCS 2.5" SSD, SATA 6 Gb (520MB/R, 470MB/W)
Power Supply
CORSAIR 1000W RMx SERIES™ MODULAR 80 PLUS® GOLD, ULTRA QUIET
Power Cable
1 x 1.5 Metre UK Power Cable (Kettle Lead)
Processor Cooling
PCS FrostFlow 120 Series RGB High Performance Liquid Cooler
Thermal Paste
STANDARD THERMAL PASTE FOR SUFFICIENT COOLING
Extra Case Fans
3x PCS ARGB LED Fan + Controller Kit
Sound Card
ONBOARD 6 CHANNEL (5.1) HIGH DEF AUDIO (AS STANDARD)
Wireless Network Card
WIRELESS 802.11N 300Mbps/2.4GHz PCI-E CARD
USB/Thunderbolt Options
2 PORT (2 x TYPE A) USB 3.0 PCI-E CARD + STANDARD USB PORTS
Operating System
Windows 10 Home 64 Bit - inc. Single Licence [KUK-00001]
Operating System Language
United Kingdom - English Language
Windows Recovery Media
Windows 10/11 Multi-Language Recovery Image - Unlimited Downloads from Online Account
Office Software
FREE 30 Day Trial of Microsoft 365® (Operating System Required)
Anti-Virus
NO ANTI-VIRUS SOFTWARE
Browser
Google Chrome™
Warranty
3 Year Standard Warranty (1 Month Collect & Return, 1 Year Parts, 3 Year Labour)
Delivery
STANDARD INSURED DELIVERY TO UK MAINLAND (MON-FRI)
Build Time
Standard Build - Approximately 7 to 9 working days
Welcome Book
PCSpecialist Welcome Book - United Kingdom & Republic of Ireland
Logo Branding
PCSpecialist Logo
 
S

shjante

New member
Literally just immediately loses power, nothing to indicate it will happen or that it's powering down.
 
SpyderTracks

SpyderTracks

We love you Ukraine
shjante said:
Literally just immediately loses power, nothing to indicate it will happen or that it's powering down.
Click to expand...
The cooler is nowhere near enough for the processor.

My guess is the cooler has failed as it's been running at full pelt trying to cool the processor even at low loads.

If you start it up, run HWMonitor and check temps with nothing open at all, take a screenshot of the temps per core.

Then run Prime95 which will stress the CPU. My guess is it will shutdown pretty quickly.

www.cpuid.com

HWMONITOR | Softwares | CPUID

HWMonitor for Windows® x86/x64 is a hardware monitoring program that reads PC systems main health sensors : voltages, temperatures, powers, currents, fans speed, utilizations, clock speeds ... The program handles : CPU and GPU-level hardware monitoring...
www.cpuid.com www.cpuid.com

GIMPS - Free Prime95 software downloads - PrimeNet

GIMPS has free software available for Windows, Linux, FreeBSD, Mac OSX. Contribute to the effort by using your computer's spare processing power.
www.mersenne.org www.mersenne.org
 
S

shjante

New member
Weirdly, just had a friend recommend the same thing and noticed the idle temps on the CPU are incredibly high.. so that seems to be the culprit
 

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SpyderTracks

SpyderTracks

We love you Ukraine
shjante said:
Weirdly, just had a friend recommend the same thing and noticed the idle temps on the CPU are incredibly high.. so that seems to be the culprit
Click to expand...
Yeah, it was never suitable for the processor.

Thats the bad news, good news is it's fairly easy to correct. It won't be within parts warranty, so you'd have to pay for it, but I'd recommend either a Corsair H115i which is a 280mm radiator (if your case can accomodate it), that's the premium option. If you're not comfortable paying that much, the Arctic Liquid Freezer II 280 is a real performance king, despite the much reduced cost. I'm linking it on Amazon which you'll find is more expensive than other places BUT they have stocks where most places are pre order

 
SpyderTracks

SpyderTracks

We love you Ukraine
Just in case it's not realised, don't use it in the meantime until you've replaced the cooler, any load will send that thermal throttling instantly, there's no cooler attached essentially, prolonged use like that could cause CPU or motherboard burn out.
 
sck451

sck451

MOST VALUED CONTRIBUTOR
SpyderTracks said:
Yeah, it was never suitable for the processor.

Thats the bad news, good news is it's fairly easy to correct. It won't be within parts warranty, so you'd have to pay for it, but I'd recommend either a Corsair H115i which is a 280mm radiator (if your case can accomodate it), that's the premium option. If you're not comfortable paying that much, the Arctic Liquid Freezer II 280 is a real performance king, despite the much reduced cost. I'm linking it on Amazon which you'll find is more expensive than other places BUT they have stocks where most places are pre order

Click to expand...
I don't think you'll fit a 280mm radiator in that case along with a 3080 (though it might depend on the specific 3080).So neither of those would be a good match.

The options are a 240mm radiator (H100i, for instance) or an air cooler. A good air cooler will be enough for the 3900XT and, in my view (though I know this not an opinion universally shared) would be easier to fit, as well as being cheaper. A good choice might be the Noctua NH-U14S.
 
SpyderTracks

SpyderTracks

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Be aware though, while a good air cooler like a noctua will let it run, you'll miss out on available boost clocks, it's just a fact of these processors under air.

The 220T case can accomodate up to 360mm rads mounted on the front, but as @sck451 correctly points out, if it's a particularly long GPU, then you may have issues. But you'll be able to see quite clearly just from looking really, you'll need at least 28mm clearance for the corsair or 39mm for the Arctic which gives you 1mm wiggle room once the radiator is mounted.
 
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SpyderTracks

SpyderTracks

We love you Ukraine
SpyderTracks said:
Be aware though, while a good air cooler like a noctua will let it run, you'll miss out on available boost clocks, it's just a fact of these processors under air.

The 220T case can accomodate up to 360mm rads mounted on the front, but as @sck451 correctly points out, if it's a particularly long GPU, then you may have issues. But you'll be able to see quite clearly just from looking really, you'll need at least 28mm clearance for the corsair or 39mm for the Arctic which gives you 1mm wiggle room once the radiator is mounted.
Click to expand...
Edit to this, after seeing @sck451 smiley, I realised I was probably out of touch with this.

AMD still do recommend an AIO with the high end Ryzen chips, but from the benchmarks I'm reading, so long as it's a decent air cooler, which the Noctua undoubtedly is (one of the best available), then the performance difference under air is so minimal by benchmark scores that in real world performance, it's not noticeable at all.

Apologies for the misdirection. @sck451 advice is better I think for your uses and will be cheaper.

Couple of sources I came across:

https://www.reddit.com/r/buildapc/comments/ijnuc4

www.techspot.com

Ryzen 9 3900X: Wraith Prism RGB Stock Cooler vs. 360mm AIO Liquid Cooler

When we reviewed 3rd-gen Ryzen we deliberately used the included box coolers for the majority of the testing, it's included in the price after all. Following up...
www.techspot.com www.techspot.com
 
sck451

sck451

MOST VALUED CONTRIBUTOR
SpyderTracks said:
Edit to this, after seeing @sck451 smiley, I realised I was probably out of touch with this.

AMD still do recommend an AIO with the high end Ryzen chips, but from the benchmarks I'm reading, so long as it's a decent air cooler, which the Noctua undoubtedly is (one of the best available), then the performance difference under air is so minimal by benchmark scores that in real world performance, it's not noticeable at all.

Apologies for the misdirection. @sck451 advice is better I think for your uses and will be cheaper.
Click to expand...
It was more "not getting into that debate"! I run a Noctua cooler (a dual-tower one, but it won't make a massive difference) on a 5900X and get 4.5GHz all-core and 4.95GHz single-core all day long without breaking 70C.
 
SpyderTracks

SpyderTracks

We love you Ukraine
sck451 said:
It was more "not getting into that debate"! I run a Noctua cooler (a dual-tower one, but it won't make a massive difference) on a 5900X and get 4.5GHz all-core and 4.95GHz single-core all day long without breaking 70C.
Click to expand...
It's been kind of pushed into my brain that the top end ryzens REQUIRE an AIO.

This largely stems from the 3000 series Ryzen launch, when undoubtedly we saw reduced performance under air, but I have a feeling that was a voltage issue later corrected at the BIOS level as IIRC, it was certainly the case with a lot of Asus boards that they were running overclocked out of the factory which caught us out with some people.

But I'm still basing that opinion on outdated issues.

Noctua's defy science really, they're incredibly capable. I see most people are equating them to a 360 Rad premium AIO.

It's seriously making me reconsider an AIO when I upgrade.
 
B4zookaw

B4zookaw

VALUED CONTRIBUTOR
sck451 said:
It was more "not getting into that debate"! I run a Noctua cooler (a dual-tower one, but it won't make a massive difference) on a 5900X and get 4.5GHz all-core and 4.95GHz single-core all day long without breaking 70C.
Click to expand...
What RPM % would you run this at when under load? What does fan curve look like, out of interest?
 
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