If you cannot access the boot menu because the computer boots into Windows too quickly, you must change the boot order permanently in the BIOS.
These are the primary keys to enter the BIOS/UEFI Setup Utility . If you need to permanently change the boot order or hardware settings, use these keys instead of F12. How to Use the Toshiba Boot Button toshiba boot button
You should see a "Toshiba" or "Dynabook" logo. If you are successful, a menu will appear. If the Windows loading dots appear instead, you missed the window and must try again. Common Troubleshooting Scenarios If you cannot access the boot menu because
repeatedly when the Toshiba splash screen appears. How to Use the Toshiba Boot Button You
Here is how to find and use the "boot button" on a Toshiba machine.
If you see a message at the bottom of the Toshiba logo screen saying you are in luck. However, sometimes the text reads "Press F12 for boot device selection."
boot menu was not working on toshiba laptop - Microsoft Learn