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Solved!
Go to Solutionbios update problem
hi guys i have a problem with my Inspiron 15 7000 Series 7559. I need to update my bios , i have: dell bios 1.2.0 version,but when i downloaded the last version exe file and i start it , show me error: unable to start secure flash session. the same happen when i try to update bios from a flash usb key.
