I’ve previously written a post on this topic, demonstrating a custom method that could be used before ConfigMgr had native support for the BIOS to UEFI conversion. However, that post should now be deemed obsolete...
Tag - BIOS
Nickolaj Andersen
Switch from BIOS to UEFI on Dell Systems during Windows 10 deployment with ConfigMgr
Blog post have been deprecated, please refer to the series of how switch from BIOS to UEFI found on the link below:
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