Reader Support
Jan 05, 2022
3 minutes
Why can’t I use Secure Boot?
I ran Microsoft’s PC Health Check app on my Windows 10 computer. Apart from the TPM 2.0 problem, it said my PC wasn’t using Secure Boot and that I’d need to change this in BIOS. Sure enough, when I checked, my boot settings were both Legacy and UEFI. I changed them to UEFI-only but my boot-drive list disappeared! Only when I reverted to Legacy and UEFI did I
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