BIOS Menu is not opening

Problem:

I am using Lenovo Ideapad laptop, when pressing F2 or, Fn+F2 the system not entering into the BIOS.

Resolution:

Step 1: Go to Start > Settings > Update & Security.

Step 2: Under the Recovery window, click Restart now.

Step 3: Click Troubleshoot > Advanced options > UEFI Firmware Settings.

Step 4: Click Restart and your PC can go to BIOS.