Problem (perhaps) of overheating of the PC + screen shutdown and loud noise from the fans

[Devinzxx]

Hello, since June I have been having problems with my gaming PC Omen 35L GT16-0000a (it's new, bought in January 2025). Basically on certain days, very randomly, usually when I play browser games or others but not when I'm normally using Google or watching videos, the screen goes black and I hear a loud noise from the PC (probably the fans) and then the screen turns back on but with all the apps closed as if it has been reset, only it's happening more often and I am worried that something might be broken.

[Bill_To]

Greetings @Devinzxx 

Is your PC in warranty?

Can you verify if the PC is (1) doing a system restart or (2) if you are experiencing a temporary loss of video? It appears the PC is restarting. Thermal problems will usually shut down the PC.

Each symptom can be caused by different problems.

Have you done any troubleshooting? If so, please describe. I don't want to be redundant.

Have you recently updated your graphics card drivers?

Any errors in Control Panel>Device Manager?

Your PC could have: a thermal problem, a power problem, a component problem, or a graphics driver problem.

Download and run Cinebench R23 and HWiNFO portable simultaneously to check system temps and stability. 

Download and separately run the following software to see if we can isolate a CPU or GPU problem:

1. Furmark , GPU test.

2. Intel Burn Test. This test will run on an AMD CPU.

Your PC probably has a: power problem, a component problem,  or a thermal problem if all of the above tests cause a system restart.

PCs normally shut down if a thermal problem is indicated.

Regards

[Devinzxx]

The PC is under warranty until 2028, I don't see any writing or anything on the monitor (black), it restarts after a few seconds.
The RGB lights on the PC turn off and it goes black making that loud noise and then the screen and the PC lights turn back on. At the moment I haven't done any repairs, the PC is new but I think the summer heat has also affected it. I discovered from "Event Viewer" that it's a crash (Kernel-Power) and from a program called "WhoCrashed" the analysis of the logs said "this is a video related crash" and it was noted "VIDEO_DXGKRNL_FATAL_ERROR and the driver where it happened was watchdog.sys in all the .dmp logs. 
I will soon be away on vacation; however, I will proceed with the tests you recommended at the earliest opportunity to ensure a more accurate assessment.

[Bill_To]

Greetings @Devinzxx 

Good to see the PC is in warranty.

Let the Forum know how the hardware tests go.

A VIDEO_DXGKRNL_FATAL_ERROR sounds like a graphics card: hardware or driver problem. Have you tried HP Diagnostics?

It could also be a Windows system file problem???

Have you checked Windows system files?

PCs normally shut down due to high CPU or MB thermals. The system may not shutdown if discrete graphics card thermals are high.

The PC would probably lose video and/or the system may: crash (the pc is running but- no video), or you'll see a screen image freeze, or the PC will restart if the graphics card is getting really hot.

Regards

[Devinzxx]

Hello, I apologize for the long delay. I returned last Saturday, and on Sunday I performed a system optimization using WinToys. I enabled “Hardware-accelerated GPU scheduling,” disabled Fast Startup, and unchecked the option for background apps.

Additionally, when I launched Discord after my return, I noticed that Vencord was no longer installed (I had previously used it with a custom flame-themed layout). I also cleared app activity history and made several other adjustments, including disabling automatic app updates — which I’ll now manage manually.

I replaced my old power strip, which I believe was rated around 1000W and had been in use for several years. I now use a new gaming-grade power strip rated at 3000W, with more outlets and built-in surge protection to handle voltage spikes.

Since that day, I haven’t experienced any crashes — it’s been over a week now. I’m not sure if temperature played a role, but the weather has cooled down recently due to storms. I’ve been monitoring the system with HWiNFO: the GPU stays between 35–50°C (on minecraft 72° with shaders) , and the CPU usually sits around 70°C under load, with a peak of 78°C that I noticed on one random day. Overall, temperatures seem within safe limits.

Before these changes, I had hardware acceleration enabled in the browser, but GPU scheduling in Windows was still disabled. I’m wondering if that mismatch could have contributed to the crashes, especially during browser-based games like PixelWarfare.io (FPS).

I also read on Reddit that the August Windows patch may have resolved some gaming-related issues that started around May and worsened in July. It’s possible that this update helped stabilize the system, but I can’t say for sure.

Img (Minecraft with shaders) (MASSIMO) ->91.8° is normal ? 

[Bill_To]

Greetings @Devinzxx 

It's good to see some of the tweaks you have done seem to stabilizing the PC.

A GPU temp at 91.8°C is very high.

GPUs tend to throttle at around 82°C.

Regards

[Devinzxx]

Thank you for your reply.

Unfortunately, there was a problem. I had gone on holiday, and as soon as I got back, I turned on my computer at around 9 p.m. I cleaned up temporary files, etc., then opened Discord and didn’t launch any other applications. While using Discord, I joined a voice chat and, unlike other times, connected my webcam (Microsoft Wide Angle F/2.0 HD Lens – 720p 30fps). After about an hour, the system crashed without generating a DMP file. The screen went black (no text), and the fans started running at 100%, but the PC did not shut down—unlike the previous crashes in July and August. I had to shut it down manually using the power button.

I checked the system files with SFC /SCANNOW and found no issues. I reviewed the temperatures recorded by HWiNFO64 in the CSV file: the CPU was around 48–53°C and the GPU around 34°C. I’ll leave the file anyway. csv file .

I noticed the usual Kernel-Power event, but it was recorded after I restarted the PC (i.e., after dinner), not at the time of the crash. I also saw one Event 22 that said: “Event logging service error during initialization of publishing resources for the Microsoft-Windows-USBVideo/Analytic channel. If the channel is analytical or debugging, an error may also have occurred during initialization of the recording resources.” It appears to be related to the webcam.

[Bill_To]

Greetings @Devinzxx 

My pleasure.

I don't know. I'm stumped.

Don't use the Web cam to see how things go.

I'm leaning towards a power problem; power supply or other component power problem.

Have you tried HP Hardware Diagnostics?

Check your PC's hardware using HP Diagnostics as follows:

Start the PC. Repeatedly tap the "ESC" key.

Select "F2". Run extensive system and component tests to confirm: a drive problem, a memory problem, or other component problem.

I don't think HP's diagnostics tests will check the power supply.

I'm sorry, you may have to reduce the PC to a minimum configuration to check stability. You may have to swap in core components to find the faulty component.

Your PC seems to have an intermittent component problem. 

Intermittent PC component problems are very difficult to diagnose.

Regards

[Devinzxx]

Thanks for the reply!

It happened again. I think I'll run the tests you mentioned.
It doesn't seem to have anything to do with the temperature, but I'll send you the HWINFO CSV file (CSV FILE click here) if you'd like to take a look. (It doesn't have the cam this time; it's a crash during gameplay.) 

The dmp file gave me the same bug again (VIDEO_DXGKRNL_FATAL_ERROR).

I think I'll call Omen support in the next few days...

[Bill_To]

Greetings @Devinzxx 

My pleasure.

Your PC is occasionally showing a graphics card error (VIDEO_DXGKRNL_FATAL_ERROR) and Windows Event Viewer is showing some Kernel Power Events. 

And you had some high Graphics card temps.

The PC has some kind of hardware problem. My guess is either: a possible power problem (PSU, MB, Graphics card) or some other graphics card problem.

It's tough to diagnose an intermittent hardware problem in a Forum.

Your thoughts on contacting HP Support, if you can't isolate the problem, is a good idea.

Your PC should be in warranty.

Regards