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How to check in Windows if you are using UEFI

How to check in Windows if you are using UEFI

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You might be wondering if Windows is using UEFI or the legacy BIOS, it’s easy to check.

Just fire up MSINFO32 and look for this entry:



There are two possibilities here, either UEFI or Legacy.

  • the MSINFO32 version that is installed with Windows 7 doesn't have this entry

  • no such entry on samsung np305u1a (amd e-450), although I see efi partition installed. any other way to verify efi/non-efi install? or is presence of the partition enough?

  • Good, Excelente. Simple an functionality.

  • Thank you!  No more fear about dual-boot with Linux!!

  • Ah, mine is UEFI! Thanks!

  • Does this not just show Bios Mode and not Windows UEFI Mode? Or is it safe to assume if BIOS mode is UEFI You would not be able to run windows in Non UEFI? Seems like a dumb question but its not because I am not sure if the latter is possible or not. Please reply to IT.4.Hire@Gmail.com. Thanks!

  • Various other methods that do the same:

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