How to disable BIOS on startup?

Solution
Bios (Basic input/output system) is not something you can disable LourdhuReddy.
If you mean bypass after startup then that depends on your Bios settings. If the system has not been configured in Bios correctly then it will bring you back to Bios to make necessary changes.
Once your OS is loaded on disk and prioritized in Bios then the Post cycle will automatically transit into ACPI mode and boot into Windows.
 
Solution