We try to flash the (Windows 10 Iot Core) ffu file into the eMMC under winPE following the user manual.
We get a error: 31(A device attached to the system is not functioning.) when we execute the command.
Dism.exe /Apply-Image /ImageFile:"C:\Flash.ffu" /ApplyDrive:\\.\PhysicalDrive1 /SkipPlatformCheck
//====================error=========================
2018-09-14 22:35:09, Error DISM DISM FFU Provider: Anti-theft check failed because the machine uses legacy BIOS.
2018-09-14 22:35:09, Error DISM DISM FFU Provider: PerformValidation#505 failed with 0x8007001f.
2018-09-14 22:35:09, Error DISM DISM FFU Provider: FfuApplyInternal#600 failed with 0x8007001f.
2018-09-14 22:35:09, Error DISM DISM FFU Provider: FfuApplyImage#53 failed with 0x8007001f.
2018-09-14 22:35:09, Error DISM DISM FFU Provider: PID=1860 TID=1864 onecore\base\ntsetup\opktools\dism\providers\ffuprovider\dll\ffumanager.cpp:514 - CFfuManager::Apply(hr:0x8007001f)
2018-09-14 22:35:09, Error DISM DISM FFU Provider: PID=1860 TID=1864 onecore\base\ntsetup\opktools\dism\providers\ffuprovider\dll\ffumanager.cpp:424 - CFfuManager::ApplyImage(hr:0x8007001f)
2018-09-14 22:35:09, Error DISM DISM Imaging Provider: PID=1860 TID=1864 onecore\base\ntsetup\opktools\dism\providers\imagingprovider\dll\genericimagingmanager.cpp:2853 - CGenericImagingManager::InternalCmdFFUApply(hr:0x8007001f)
2018-09-14 22:35:09, Error DISM DISM Imaging Provider: PID=1860 TID=1864 onecore\base\ntsetup\opktools\dism\providers\imagingprovider\dll\genericimagingmanager.cpp:547 - CGenericImagingManager::ExecuteCmdLine(hr:0x8007001f)
2018-09-14 22:35:09, Info DISM DISM.EXE: Image session has been closed. Reboot required=no.
We attach the dism log.
Thank you.