Black screen crash during a (longer) gameplay; UEFI diagnostics found a processor error soon after

[Ognjen_R]

Hello. Since I am a new user, I apologize in case I didn't post in the relevant section. Also, since I don't have any problems with PC booting.

I purchased the HP 255 G8 notebook three months ago, and have been using it since. However, yesterday when I was playing an old (and no longer developed) game, after an hour and a half, it crashed with black screen accompanied by sound (as if the monitor or other peripheral was disconnected - strange as it may seem), no cursor, no audio, no response at all. I needed to hard reboot the laptop to fix it, holding the power button. After I saw it listed as a hardware error (Live Kernel Event) in reliability monitor, I ran a fast test in PC hardware diagnostics that found no problems, same with the support assistant. However, this is where it started to become somewhat confusing. After I ran a symptom test in UEFI diagnostics, it reported a processor error with message:

"Processor check - The test detected a failure in the computer's processor. The processor may not be cooling adequately and may need to be replaced." Just after (5 minutes) I saved the test log on a thumb drive, I started the main system and component tests. Even so, all tests were passed normally?

Having said that, I always use my notebook on a cooling pad and didn't have any overheating issues before, although the "fan always on" setting is disabled.

Has anyone had any experience like this? Do I have a reason to be concerned?

Thank you in advance.

[Ognjen_R]

Update: Tonight when I left the laptop idle for a couple of minutes, there was another hardware error shown in the Windows reliability monitor:

Description
A problem with your hardware caused Windows to stop working correctly.

Problem signature
Problem Event Name: LiveKernelEvent
Code: 15e
Parameter 1: 1
Parameter 2: ffff8883d31ef1a0
Parameter 3: ffff8883cf4f6120
Parameter 4: 47
OS version: 10_0_22621
Service Pack: 0_0
Product: 768_1
OS Version: 10.0.22621.2.0.0.768.101
Locale ID: 1033.

It was running on battery at that time, I was simply browsing before that. Nothing unusual happened that I am aware of, though.

This is the first log I got after the events described in my first post:

Description
A problem with your hardware caused Windows to stop working correctly.

Problem signature
Problem Event Name: LiveKernelEvent
Code: 1b0
Parameter 1: 1
Parameter 2: ffffffffc0000001
Parameter 3: 0
Parameter 4: 0
OS version: 10_0_22621
Service Pack: 0_0
Product: 768_1
OS Version: 10.0.22621.2.0.0.768.101
Locale ID: 1033.

Edit: Failure ID retrieved from the first UEFI symptom test - "0U54XH-000BGR-XD7V5A-07Q303"

In response to this, I first ran hardware and devices troubleshooter directly in Windows. It only found that auto driver updates delivered with Windows update were disabled (I remember they were enabled before, anyways, I re-enabled them). Afterwards, I retried the fast and extended tests in HP PC hardware diagnostics, after which I started a CPU stress and thermals test in UEFI environment - but all of them were passed again. Support assistant and Windows both tell me I am up to date. What could be the possible cause of my problems?

[Ognjen_R]

Due to lack of response to my post during the past month, I have tried troubleshooting the issue myself. This is my understanding of what I experienced with my device.

I understand this laptop is not intended for gaming in general, but as I had no problems running it on much older systems, I assumed everything would be all right.

Given that the game I played was more than a decade old, it is almost certain that it was not optimized for running on modern computers. However, I don't think that explains the sound I heard after the screen went black.

It should be noted I was using an external keyboard, mouse, and a cooling pad, neither of which stopped working even after that.

During gameplay, the laptop's fan was only running periodically and it barely made noise when it spun. The cooling pad was turned on all the time. This time, however, my laptop wasn't put directly on table where I normally use it - it was on another table on a table cloth, and I didn't notice it was wrinkly where I placed it.

I suppose this obstructed airflow underneath, which could be what caused overheating.

About the issues in reliability monitor in my reply, I am not sure what caused them. Still, I am grateful I have no problems with my laptop now. Any suggestion or advice is welcome, though.

[Ognjen_R]

I still don't know what is this.