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November 18th, 2019 00:00

Precision 7730 BSODs, Driver issues and instability. TB18DC docking issues too.

Hello everyone,

I am currently having an issue with my Precision 7730. It's unstable and especially when connected to my TB18DC docking station. The system sometime crashes when just plugging in a HDMI cable. Other times it just shuts down when plugging it into the docking station. Removing the USB-C can cause the system to crash and shutdown.

To me it seems like a driver issue and the most common BSOD is the Asmtxhci.sys related one. This seems plausible because it gets activated when the dock is connected to the system. Reinstalling the driver with the Windows variant, Dell variant or the one from the ASmedia themselves did not show any stability improvements. Rolling the driver back to previous versions did not help either. 

I've found some experimental work-arounds and potential solutions but I am not sure if I want to apply those. Some of the potential solutions I have found are:

  • Ethernet Driver Power settings – Disable Energy Efficient Ethernet
  • BIOS memory options such as caching or shadowing, disable it.
  • Uncheck Always Allow Dell Dock
  • Delete registry key HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\asmtxhci\Parameters
  • Turning off C-States and SpeedStep

Running a full hardware diagnostic test resulted in a healthy/no error system.

The BSOD error codes are as followed:

  • SYSTEM_THREAD_EXCEPTION_NOT_HANDLED - Asmtxhci.sys (Related to ASmedia Driver?)
  • VIDEO_TDR_FAILURE - nvlddmkm.sys (Probably fixed by downloading the newest NVIDIA driver)
  • ATTEMPTED_EXECUTE_OF_NOEXECUTE_MEMORY (Memtest: OK)

Affected hardware set up:

  • Precision 7730 (Fairly new, less than 1yo)
  • TBC18DC (New)
  • Two monitors. 
  • Keyboard and mouse
  • 240w brick

Affected software set up:

  • Windows 10 - 1709
  • BIOS: Up to date.
  • DockingStationFirmware: Up to date.
  • All drivers up to date via Dell Command and manually installing via the support site (including Thunderbolt etc.)
  • (BIOS)Settings correctly followed by Dell's guide. 
  • Troubleshooting followed by Dell from A to Z.
  • No weird behavior signaled before the crash happens.
  • Drivers seem to appear to be working.
  • Clean install did not help.
  • Problem hard to replicate but happens often.

 

I would massively appreciate any help. Thanks in advance!

 

 

 

 

10 Posts

November 24th, 2019 23:00

I am not super impressed with the docking station for the money, to be honest. I really did love my 7530 when it was functioning well but that is contrasting it with the XPS with the I9 that would throttle upon booting because it would get so darn hot almost instantly. The i9 was a little far-reaching for that design though so can't be mad at them for trying.  

10 Posts

November 24th, 2019 23:00

I also have issues when docked to my Dell docking station. They pale in comparison to the other issues I have had with my 7530 which has been basically a $3000 paperweight most of the month of November and they are supposed to be replacing it which is apparently what they do after you have a tech out to your home or office 6 times. 

Back on topic. I found that my 7530 would crash on a more regular business when docked and it also ran hotter. Not sure what the deal with that is as I have a fan underneath and the ambient room temperature is the same as most places I would use it undocked.  

 

1 Message

May 24th, 2020 05:00

Using a Precision 7530 from my company.  Got this machine and TB16 Dock in Dec 2018 and id worked mostly well until March 2020 when I tried to update some drivers from Dell.  Then the classic Windows 10 Freeze.  Mouse would stop functioning (Bluetooth) and video would freeze.  Hard reboot was the only way out.  Talked the the company IT and they blamed the dock (TB16).  I would usually lock up several times a day so it was easy to test with the dock disconnected.  Sure enough no lockups when there was no dock.  So I updated the TB16 firmware and tried everything I could find.  Then just tossed the TB16 in the dumpster. 

I wanted to use me Surface 7 pro on the same setup so I thought I'd just get a USB-C (As opposed to Thunderbolt) dock.  Bought a Pluggable UD-ULTC4K dock.  Works great with my Surface Pro 7 but to no surprise my Dell Precision 7530 continues to lock up just like the TB16.  Very frustrating since I probably tossed a perfectly good dock and second I hate these constant lockups.   I'm going to try turning off the power management in the Ethernet and USB devices and see if that has any effect.  

Thanks for the post. 

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