How to enter BIOS on Dell Inspiron 3521
How exactly to access BIOS on Dell Inspiron 3521 with the keyboard
To reach Bios on Dell Inspiron 3521, the reboot is needed. You can find different keys to get to the Bios, following the version of the motherboard. To get this done, you must maintain the necessary buttons pushed for a few seconds when the computer starts. In theory, the keys Del, F2, Esc, F1, or F10, used to open the BIOS of your Dell Inspiron 3521. Otherwise, it is still possible trying combinations such as Alt + Enter or Ctrl + Alt.
How to enter BIOS with Windows
If the previous process doesn’t works well, there’s another option. You must go to your Dell Inspiron 3521 settings and them choose Security Update. You now only have to select some details to restart and enter BIOS.