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lorfo
Blue Screen Again
Posts: 5
Registered: ‎09-13-2018
Location: AU
Views: 747
Message 1 of 3

Intel UHD 620 Code 43 issue

PC: X1 Carbon 20HK

OS: Windows 10 v 1803

Graphics Driver:  24.20.100.63.6344

 

Issue: In Device Manager the 620 driver displays a code 43 error. This does not effect the running of the PC but stops the PC from been connected to an external Dock a Lenovo C-Dock (Type 40A9) as external docks require updated graphics driver and USB3 drivers. 

 

Tried:

- Using a downlevel driver 22.20.16.4815 - failed

- updateing to current driver 24.20.100.63.6344 - failed

- Ran full Lenovo System Update and updated EVERY driver  \ firmware possible, including the C-Dock - Failed

- Found web forums that pointed to BIOS VM settings "interfering" so have disabled virtualisation in BIOS - Failed

 

This is the 3rd 20HK that has had this issue and both the others in the end for speed they where just rebuilt (SCCM Corp Image) we have 40+ 20HK's and this is the 3rd so no consistancy that we can see yet.

 

The PC's  are fully MS Updated. There must be a update \ process to get this working as a rebuild is easy to say but pain in the arse even with a really good SCCM OSD.

 

Thanks in advance

 

Liam

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lorfo
Blue Screen Again
Posts: 5
Registered: ‎09-13-2018
Location: AU
Views: 632
Message 2 of 3

Re: Intel UHD 620 Code 43 issue

Just had another 20KH fail in the same manner. Only real difference is the video driver version: 23.20.16.5018

 

Still hoping for a Lenovo person to post something :-) 

 

Thanks

 

Liam

lorfo
Blue Screen Again
Posts: 5
Registered: ‎09-13-2018
Location: AU
Views: 599
Message 3 of 3

Re: Intel UHD 620 Code 43 issue

One of the other engineers fixed this issue, putting this up to help other people.

 

Used DDU (https://www.guru3d.com/files-details/display-driver-uninstaller-download.html) to low level uninstall the driver and then load the Intel drivers for the UHD 620.

 

This fixed the issue :-)

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