How do I know if I have UEFI or BIOS?

1] Check setupact. log

1. In the folder named Panther you will see a text file titled setupact. log. …
2. Once you have opened setupact. …
3. Once you find Detected Boot Environment, you will notice the words BIOS or UEFI mentioned as follows: …
4. If your PC supports and uses UEFI, the word UEFI will appear, else BIOS.

08-Aug-2020