I7 14700K Intel Windows machine crashes a lot

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BoomerD

No Lifer
Feb 26, 2006
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I just ran the GigaByte control center to check the fan speeds and found that the selector for the fans mode was set to manual, The fan was running at 1200 Hz or so. After asking Gemini I set the fan mode to "normal" but the fan speeds and temperatures didn't change. I suspect it was running in auto mode anyway as no-one had ever selected the mode. It certainly wasn't me who set it to "manual" mode and I think the Gigabyte control center wasn't on the PC when I got it.
Is your cooler fan plugged into the “CPU cooler” header? Is that header cofigured for PWM or DC in the BIOS?

I tried the OCCT CPU test but it instantly hit 100 degrees C

That’s an indicator of cooler issues for me. I might understand if the CPU hit 100 occasionally during intense testing, but “instantly?” That’s NOT normal.
 
Reactions: Brainonska511

think2

Senior member
Dec 29, 2009
250
3
81
CPU fan speed was set to quiet, I've changed it to normal.
CPU-Fan control mode is set to auto, not PWM - I left it at auto
cpu fan mode is set to slope
cpu fan fail warning was set to disabled, I've changed to enabled.
 

think2

Senior member
Dec 29, 2009
250
3
81
Regarding the fan connectors, I couldn't really see what was plugged into what. but OCCT shows the CPU fan running at around 1150 RPM and doesn't show CPU-OPT at all.
https://www.manual.nz/gigabyte/z790-ud-ax/manual?p=4

Regarding the instant 100 degrees C, I just tried OCCT again on the CPU test with all cores active and it took 25 seconds to get to 100 degrees.
With testing one core at a time the max temp per performance core is around 68, typically 60 to 65 when under test and 31 degrees when not under test.
 

Steltek

Diamond Member
Mar 29, 2001
3,276
1,026
136
Regarding the fan connectors, I couldn't really see what was plugged into what. but OCCT shows the CPU fan running at around 1150 RPM and doesn't show CPU-OPT at all.
https://www.manual.nz/gigabyte/z790-ud-ax/manual?p=4

Regarding the instant 100 degrees C, I just tried OCCT again on the CPU test with all cores active and it took 25 seconds to get to 100 degrees.
With testing one core at a time the max temp per performance core is around 68, typically 60 to 65 when under test and 31 degrees when not under test.
As an FYI, always use the motherboard manual posted on the Gigabyte website rather than from a 3rd party website. There are actually 3 revisions of your board (v1.0, v1.1, and v1.2) and that manual you linked doesn't tell you which one you are looking at (the rev should be silk-screen printed on the motherboard itself or be on a tag label). It won't make a difference regarding the header locations, but it might on something else in the future.

If it was previously instantly going to 100C in OCCT but now is taking 25 seconds to get there, the fan speed was an issue. And, if OCCT is correctly picking up the fan speed and not showing CPU_OPT the CPU fan is plugged into the right header.

As a result, you have at least resolved the potential overheating issue. It might be a good idea at this point to stop making changes and use the system normally for a while to see if the fan changes resolve the crashing. While you are doing your testing, try running a variety of processes (such as video running in a browser window or music playing in the background, etc) to give the CPU extra data to crunch on the side.

As long as you don't clear the Windows system logs or the Windows Reliability history, the builder should be able to see the recurrent history of the shutdown problem. So, while you are troubleshooting this issue, do not reinstall Windows again.
 

think2

Senior member
Dec 29, 2009
250
3
81
<snip>

As long as you don't clear the Windows system logs or the Windows Reliability history, the builder should be able to see the recurrent history of the shutdown problem. So, while you are troubleshooting this issue, do not reinstall Windows again.
ok, thanks, just in case I've copied some of the event logs to my google drive and shared them in case there's any experts in windows event logs here. Windows is forever logging errors of various types.
https://drive.google.com/drive/folders/11xHHHdmMC6tj2y86JixdYc4QnnIzZJJl?usp=sharing
 

Steltek

Diamond Member
Mar 29, 2001
3,276
1,026
136
Windows generates a lot of errors, most of which are irrelevant to daily use. The number of warnings and errors it logs will grow by leaps and bounds the more software you install.

When unexpected power issues or unexplained shutdowns occur, an event 41 warning or error should be added to the Windows system log and will normally also show up in the Windows Reliability history. For your current issues, those are the ones you will be interested in.

And, if you have not already done so, do a Windows search for "view advanced system settings". Launch the applet that comes up, hit the Advanced tab, then go to the bottom of the app screen to the "Startup and Recovery" section and click Settings. Under the "System Failure" section, make sure the box is checked for "Write an event to the system log". Under the "Write debugging information", make sure the pull down box is set to "Kernel Memory Dump". While troubleshooting issues, uncheck the "Overwrite any existing file" option to retain multiple dump files. However, as soon as the issue is resolved, make sure to re-check this option as retaining a lot of crash dumps can take up significant space (especially on a smaller boot drive).

By doing this, if the machine bluescreens, you can try to use a tool like WhoCrashed to see if a crash dump file was created and to analyze the dump files to try to find a cause.
 

think2

Senior member
Dec 29, 2009
250
3
81
ok, done that, thanks. I've found that I can run the OCCT "cpu plus ram" test set to steady load and testing all cores simultaneously with a temperature limit of 94 degrees and the test keeps running. The "cpu package" temperature looks like it might be creeping up and will cause the test to stop eventually. All of my crashes were with the machine on low load, it's never been on high load until now, except for when the shop built it.
 

think2

Senior member
Dec 29, 2009
250
3
81
Got another event 41 black screen restart/ crash. When OOCT was running testing all cores, Windows asked me if I want to update/install GIT for windows which I said yes. This caused OCCT to overheat and stop the test. I then left the machine alone and ten minutes later it got a spurious reboot. Upon restart, google drive reported some files in its "lost and found folder" - these were two of the "evtx" files that I shared yesterday. Maybe google drive doesn't like being interrupted by a spurious reboot.
 

ram84

Junior Member
Nov 17, 2024
4
0
6
Got another event 41 black screen restart/ crash. When OOCT was running testing all cores, Windows asked me if I want to update/install GIT for windows which I said yes. This caused OCCT to overheat and stop the test. I then left the machine alone and ten minutes later it got a spurious reboot. Upon restart, google drive reported some files in its "lost and found folder" - these were two of the "evtx" files that I shared yesterday. Maybe google drive doesn't like being interrupted by a spurious reboot.
Bro I faced the exact issue as you and I have the same motherboard and CPU did you find any solution?
 

think2

Senior member
Dec 29, 2009
250
3
81
Nope, not yet. A few days ago I finally convinced myself it wasn't software causing the crashes so the shop swapped the CPU but a few hours after I got the machine home it crashed again. So it's gone back to the shop for more investigation. The trouble is it can take more than a week to crash sometimes so it's hard to swap around parts to see when the problem goes away. I told the shop I would accept used parts to try things.
 

ram84

Junior Member
Nov 17, 2024
4
0
6
Nope, not yet. A few days ago I finally convinced myself it wasn't software causing the crashes so the shop swapped the CPU but a few hours after I got the machine home it crashed again. So it's gone back to the shop for more investigation. The trouble is it can take more than a week to crash sometimes so it's hard to swap around parts to see when the problem goes away. I told the shop I would accept used parts to try things.
 

ram84

Junior Member
Nov 17, 2024
4
0
6
Nope, not yet. A few days ago I finally convinced myself it wasn't software causing the crashes so the shop swapped the CPU but a few hours after I got the machine home it crashed again. So it's gone back to the shop for more investigation. The trouble is it can take more than a week to crash sometimes so it's hard to swap around parts to see when the problem goes away. I told the shop I would accept used parts to try things.
When your PC is on a lot pressure restarts? Or just simple tasks? mine just restart when simple works as watching yt.
 

think2

Senior member
Dec 29, 2009
250
3
81
yeah it crashes when it's doing nothing, it's never under any significant load. I've had three or four blue screen crashes but mostly it just restarts unexpectedly (without shutting down properly) as if someone hit the hardware reset button.
 

ram84

Junior Member
Nov 17, 2024
4
0
6
yeah it crashes when it's doing nothing, it's never under any significant load. I've had three or four blue screen crashes but mostly it just restarts unexpectedly (without shutting down properly) as if someone hit the hardware reset button.
Same as me I think since under heavy loads it works fine probably it's a bug because of F11 (sep27 bios update ) still it's annoying hope they fix this soon if you get any news please keep me aware.
 

think2

Senior member
Dec 29, 2009
250
3
81
I posted a question on gigabyte support - they said this
<quote>
Please try to install BIOS F12 by Q-Flash Plus, clear CMOS and disable "C-State control", use clean OS disk and install drivers to test the issue.
You can remove the onboard peripherals and devices, only install one DDR on A2 slot before doing the test.
<end quote>
However my shop is doing a temporary board swap to see if it fixes the problem.
 

think2

Senior member
Dec 29, 2009
250
3
81
I asked Gemini about c-state control
also chatgpt said this

Why Disable C-State Control?​

  • Transitions between C-States can sometimes cause instability, especially if:
    • The CPU or motherboard's power delivery isn't functioning perfectly.
    • There is a bug in the BIOS or power management firmware.
    • Some peripherals or drivers do not handle power state changes well.
 
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