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04-19-2016, 02:35 PM
(This post was last modified: 04-19-2016, 02:35 PM by DeathBringer.)
After A06 flashing trial do next thing:
1. Restart your computer. When the Dell logo appears, press the F2 key to access the BIOS Setup Utility.
2. Use the Arrow keys to select the Firmware Update option, located in the Security section of the left pane Setup screen.
3. Verify the check box next to Enable Signed Firmware Update in the right pane. Is it checked?