Code 12 Error after Windows reinstall
 
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Leon Woodward
(@leon_woodward)
Active Member
Joined: 1 year ago
 

Hi all, I have a Lenovo X1 Extreme paired with a Rx5700 XT in a Razer Core X Chroma. Have had no issues with the build for months until last night when I reinstalled windows onto a new SSD. Now when I receive the below error

Annotation 2019 10 20 220006
Annotation 2019 10 20 220301

I've reinstalled windows again, nuked drivers with DDU etc but no change. Any ideas on what exactly has changed here? How do I fix? The suggested fixes I can see are unbelievably complicated.

Thanks
Leon

Laptop: Lenovo X1 Extreme Gen1 w/ i7-8750H GTX 1050 Max-Q dGPU
eGPU Enclosure: Razer Core X Chroma
eGPU: RX 5700XT
Cable: Caldigit 2m TB3 Active Cable

 
2018 15" Lenovo Thinkpad X1 Extreme (GTX1050Ti) [8th,6C,H] + GTX 960 @ 32Gbps-TB3 (Razer Core X Chroma) + Win10 [build link]  


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Mymantiz_John
(@mymantiz_john)
Vendor
Joined: 3 years ago
 

what's your windows 10 Build number?

 

Mantiz: ● ●


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joevt
(@joevt)
Noble Member
Joined: 3 years ago
 

Run "winver" to find out.

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case


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Leon Woodward
(@leon_woodward)
Active Member
Joined: 1 year ago
 

Thanks for the help guys, I'm currently on version 18362.418. I can see from reading the other forums that the newer version of windows breaks eGPU's, which makes sense in that I updated my windows when I reinstalled.

However from looking, I can't find a way to roll back to a working version- which of the below am I removing?

Annotation 2019 10 21 113126
Annotation 2019 10 21 113207

Laptop: Lenovo X1 Extreme Gen1 w/ i7-8750H GTX 1050 Max-Q dGPU
eGPU Enclosure: Razer Core X Chroma
eGPU: RX 5700XT
Cable: Caldigit 2m TB3 Active Cable

 
2018 15" Lenovo Thinkpad X1 Extreme (GTX1050Ti) [8th,6C,H] + GTX 960 @ 32Gbps-TB3 (Razer Core X Chroma) + Win10 [build link]  


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AJ Scarcella
(@aj_scarcella)
Trusted Member
Joined: 9 months ago
 

If you reinstalled from scratch, you probably would've installed a version of 1903. The only way to rollback is to start again with an 1809 ISO (which you can find on the Microsoft website).

Mac Pro 2013
OWC Mercury Helios FX
Radeon RX 580 8GB


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Leon Woodward
(@leon_woodward)
Active Member
Joined: 1 year ago
 

@aj_scarcella

OK cheers mate, I'll give it a crack and see what happens. 

This is such classic eGPU mucking around, it's never simple hey

Laptop: Lenovo X1 Extreme Gen1 w/ i7-8750H GTX 1050 Max-Q dGPU
eGPU Enclosure: Razer Core X Chroma
eGPU: RX 5700XT
Cable: Caldigit 2m TB3 Active Cable

 
2018 15" Lenovo Thinkpad X1 Extreme (GTX1050Ti) [8th,6C,H] + GTX 960 @ 32Gbps-TB3 (Razer Core X Chroma) + Win10 [build link]  


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AJ Scarcella
(@aj_scarcella)
Trusted Member
Joined: 9 months ago
 

@leon_woodward

Unfortunately, various versions of 1903 have broken eGPU support for a lot of users (not just Macs either). It's pretty much a case of 'your mileage may vary', but generally speaking, it's pretty broken at the moment. 

Mac Pro 2013
OWC Mercury Helios FX
Radeon RX 580 8GB


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Leon Woodward
(@leon_woodward)
Active Member
Joined: 1 year ago
 
Posted by: @aj_scarcella

If you reinstalled from scratch, you probably would've installed a version of 1903. The only way to rollback is to start again with an 1809 ISO (which you can find on the Microsoft website).

Hi, so I've reinstalled windows using different ISO files and keep booting into 1903 windows. I couldn't find any old ISOs to download from windows but I tried using a 3rd party ISO as well as my friends laptops system (which hasnt updated) to create an 1809 ISO but just seem to boot into 1903 regardless. Any tips?

Laptop: Lenovo X1 Extreme Gen1 w/ i7-8750H GTX 1050 Max-Q dGPU
eGPU Enclosure: Razer Core X Chroma
eGPU: RX 5700XT
Cable: Caldigit 2m TB3 Active Cable

 
2018 15" Lenovo Thinkpad X1 Extreme (GTX1050Ti) [8th,6C,H] + GTX 960 @ 32Gbps-TB3 (Razer Core X Chroma) + Win10 [build link]  


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AJ Scarcella
(@aj_scarcella)
Trusted Member
Joined: 9 months ago
 

You can grab the 1809 ISO here: https://www.microsoft.com/en-au/software-download/windows10ISO (select the October 2018 Update option).

As for booting into 1903 Windows, how exactly are you reinstalling Windows?

 

Mac Pro 2013
OWC Mercury Helios FX
Radeon RX 580 8GB


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mac_editor
(@mac_editor)
Famed Member Moderator
Joined: 3 years ago
 

@leon_woodward

As long as your 1903 build is less than 18362.295 you are fine (so 1903 V1 ISO would work too).

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro

 
2019 13" MacBook Pro [8th,4C,U] + RX Vega 64 @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.14.6 & Win10 [build link]  


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