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Old 11-05-2017, 08:35 AM   #1
Reza
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Default Lenovo P70/Win7: Bluescreen after Driver Update dlkmd.sys

Yesterday (05.11.2017) I have tried to install the latest Ndivia drivers provided by Lenovo for my P70 notebook. After installing the new driver windows 7 restarted and a bluescreen appeared immediately.

My System:
Lenovo P70
Type 20ER000EGE
Serial-Nr. PC09ENN2
Windows 7 Professional (64-Bit)
Ndivia Quadro M3000M

Driver I have tried to install has the following spec:

Software name NVIDIA Optimus Display Driver
Support models ThinkPad T460s
ThinkPad T560
ThinkPad P50s
ThinkPad P70
Operating System Microsoft Windows 7 64-bit
Refer to marketing materials to find out what computer models
support which Operating Systems.
Versions 22.21.13.8250 (NVIDIA Graphics Driver)
1.3.34.27 (NVIDIA HD Audio Driver)
21.20.16.4678 (Intel Graphics Driver)

I have also tried to download the latest driver from the Nvidia site and installed them. Same issue appeared. Bluescreen with dlkmd.sys

Please help!!

Thanks!

Reza
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Old 11-06-2017, 10:00 AM   #2
AlbanRampon
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Hello Reza,
Would you please be able to upload here the ZIP of your log files?
We need them to progress and the last link of my signature explains how to use the tool.
Post them here, only employees can download them.
Regards,
Alban
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Old 11-06-2017, 08:27 PM   #3
Reza
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Hello Alban,

I'm afraid that won't work.
Because after the driver is installed I have to restart windows.
The bluescreen appears druing the restart.
So I have to start windows recovery which recovers the system to a state
before the diagnostic tool was installed actually.
Hence, all logs and the tool are gone.

Do you have any other Idea?

Thank you in advance

Reza


Quote:
Originally Posted by AlbanRampon View Post
Hello Reza,
Would you please be able to upload here the ZIP of your log files?
We need them to progress and the last link of my signature explains how to use the tool.
Post them here, only employees can download them.
Regards,
Alban
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Old 11-06-2017, 08:40 PM   #4
AlbanRampon
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Hello,

How did you work out that the bluescreen data was not present anymore? Did you look for the file?

Without the memory dump file, there is no information about what is the reason for the crash.

Kind regards,
Alban
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Old 11-06-2017, 08:47 PM   #5
Reza
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Bluescreen data are present but the displaylink diagnostic tool which should gather the log is gone.

I can upload the bluescreen data here if it helps.

Which one do you prefer, minidump (601 KB) oder the full memory dump (986.495 KB)?
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Old 11-06-2017, 08:54 PM   #6
Reza
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I have downloaded DisplayLink Support Tool again an gathered information form the current system.
Attached Files
File Type: zip D990484-PC_20171106_214931.zip (1.68 MB, 1 views)
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Old 11-06-2017, 08:59 PM   #7
Reza
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I have just recognized that the zip includes the mini dump.

If you need the full dump as well, please let me know.
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Old 11-07-2017, 09:35 AM   #8
AlbanRampon
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Hello Reza,
Thank you for providing the information. We must select a similar machine for the investigation and they logs also give us all these details.

If it is not too much trouble, would you please be able to provide the full MEMORY.DMP?
They compress very well, so if you could ZIP it, it would reduce its size considerably.
It will not fit on the forums though, so I would advise putting it on the cloud file sharing of your choice. I will download it and notify you that you can free your space again.

Kind regards,
Alban
Ref 26556 - Win7 dlkmd.sys BSoD PAGE_FAULT_IN_NONPAGED_AREA (50) with nVidia Latest
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Alban Rampon
Senior product manager, universal docking stations and accessories
"DisplayLink is proud to be a Synaptics brand."

Where to download the latest DisplayLink drivers
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Old 11-07-2017, 06:59 PM   #9
Reza
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You can download the zipped full memory dump here:

[REMOVED by Alban]

Last edited by AlbanRampon; 11-08-2017 at 09:18 AM.
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Old 11-08-2017, 09:23 AM   #10
AlbanRampon
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Thank you.
I have downloaded the file and removed the link from your post.
You can now delete the file and reclaim your space!

I have assigned the analysis for this as part of our 8.4 M0 release.
As we are getting close to release date, I am unsure we are going able to fit the fix in the little time we have left. This will depend on complexity and risk of the change needed.

I will keep you informed and, when the fix is delivered, the reference will be in the release notes (26556).

Kind regards,
Alban
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Senior product manager, universal docking stations and accessories
"DisplayLink is proud to be a Synaptics brand."

Where to download the latest DisplayLink drivers
How to clean up a corrupted installation
How to report issues to DisplayLink for a speedy resolution
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