Switch from UEFI to CSM (Compatibility Support Module) if you are trying to boot an older operating system or a non-UEFI flash drive. Common Boot Menu Options
If you can still log into Windows, you can force the laptop into the boot menu: Go to . Under Advanced Startup , click Restart Now . Once the blue menu appears, select Use a device . Choose your USB drive or Internal CD/DVD. Important BIOS Settings for Booting toshiba satellite boot menu
(USB flash drive or recovery disc). Power on the laptop. Switch from UEFI to CSM (Compatibility Support Module)
When you see the boot menu:
Here are some Windows solutions
Here are some common issues
Here are some common Boot Menu Options that might appear on Toshiba Satellite: toshiba satellite boot menu