In order to enter BIOS of Toshiba Satellite Windows 10, you need to distinguish 2 situations, one is your Toshiba can boot as usual, the other is your Toshiba can't boot all of a sudden. In these 2 situations, we will take different measure in coping with them. You can read them and follow the steps selectively, according to your specific circumstance.
Now you will see how to access Toshiba Satellite Windows 10 BIOS when your computer is able to boot normally as below.
Step 1: Click the Start menu in the desktop, on the left side of your computer. And then click the Settings menu, which is easy to find.
Step 2: After that, you will see the 9 submenu items of Settings, just click the Update &Security.
Step 3: In the submenu of Update & Security, choose Recovery from the left menu and then you will you will see its submenu.
Step 4: Click the Restart now of the Advanced startup. And then Toshiba Satellite is going to reboot and then access another interface.
Step 5: Now you can choose an option, click "Troubleshoot" and then the "Advanced options" in the next interface. Select "UEFI Firmware Settings" in the next option and then click "Restart" button. Eventually, your Toshiba Satellite will access BIOS. Then you will see the boot menu in Windows 10.
If your Toshiba Satellite Windows 10 can't boot normally, you can see how to enter boot menu as this: as different as the above situation, you need to restart the Toshiba computer which is not boot and then keep pressing F12 to enter the BIOS setting until the Boot menu appears.
Last but not least, you can also use Windows Password Key to reset Toshiba Satellite Windows 10 login password easily. It is really a nice Windows 10 password key to unlock local or Microsoft account login password.