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P15 external monitor random shut off

2021-01-13, 16:21 PM

I have a brand new ThinkPad P15 and it has this problem. I checked the system log, and every instance of the screen shutting down, which is at least once every minute has the corresponding log entry: 


<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Intel-SST-OED" Guid="{6f789161-d86f-4063-9e66-41f26b5da238}" />
  <TimeCreated SystemTime="2021-01-13T16:13:50.1696193Z" />
  <Correlation />
  <Execution ProcessID="4404" ThreadID="4492" />
  <Security UserID="S-1-5-19" />
- <EventData>
  <Data Name="message">Module exceeds resource budget, failed to AllocateFwCps</Data>
  <Data Name="status">3221225626</Data>
I haven't really had the time to look into if anything can be gleaned from that information yet, but it would be interesting if others have the same log entry. Just type "event viewer" in the start menu, and check Windows Logs -> System

EDIT: Process 4404 is audiodg.exe, which hosts the audio engine for Windows 10. Something sound related maybe? I already tried disabling the sound devices recommended from before though. The quest continues.
I killed audiodg.exe, expecting that to kill the audio on my computer. It did not, and the problem with the screen persisted. The log entries went away though.

Actually, it's been stable for several minutes now, maybe I was hasty in my judgment. I mean, this isn't a solution... I can't open any sound settings on my computer, or control the volume. But I think it's definitely some kind of audio issue. I'll let the computer sit for a while to verify the screen problem is gone.
The screen was stable for long enough that I would feel confident saying the problem was fixed. It went from happening at least once a minute, to being fine for 20 minutes. I signed out and then signed back in, to get audiodg.exe running again, and now the screen is stable as well. That makes exactly zero sense to me. I expect the problem will resurface, and when it does I will try disabling every sound option I can find one by one to see which one causes the problem.
It's been fine for over an hour now, with the sound running normally and no sound devices deactivated. I expect a restart will bring the problem back, but for now... I'll try to get some work done.

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Re:P15 external monitor random shut off

2021-01-14, 8:29 AM


Your message has been moved from https://forums.lenovo.com/t5/ThinkPad-P-and-W-Series-Mobile-Workstations/P51s-external-monitor-random-shut-off/m-p/3768094 into its own thread, as the P51s and P15 are different systems, so root cause of problem may be different even though behavior is similar.  This will allow forum members who are more familiar with the P15 to assist you in troubleshooting this issue.




Aryeh Goretsky


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4 Posts



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Re:P15 external monitor random shut off

2021-01-27, 17:25 PM

The problem returned today after I finally had to reboot the laptop. This time I could not just kill audiodg.exe. I mean, it died, but instantly restarted and the problem continued. However, a simple sign out and back in again made the system stable anyway. I tried disabling all sound devices one at a time, stop all effects and so on, but nothing helped except signing out and back in again.


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Re:P15 external monitor random shut off

2021-02-19, 12:27 PM

Could you tell us, how the display is connected to the P15?

  • Do you use a direct connection, and if so, which kind of cable?
  • Or do you connect it through a docking station? In this case, how is the docking station and the computer connected, and how did you connect the display to the docking station. 

Do you use your audio through the display BTW?


In any case, sound to the display is usually going through NVIDIA drivers, so you might want to try and update the NVIDIA display drivers. Either using Lenovo Vantage or GeForce Experience.


You might also want to try and simply disable NVIDIA High Definition Audio when you open the Sound dialog (Start > Control Panel > Hardware and Sound > Sound).



Lenard | (I am a Lenovo INsider - a volunteer and not a Lenovo employee) | @lenardg
ThinkPad P15 Gen1 | YOGA C630 WOS
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