If F12 is unresponsive due to Fast Boot or UEFI constraints, the Boot Menu can be accessed via the Windows GUI:
If the "Fast Boot" feature is enabled in the BIOS, the window to press F12 may be significantly reduced (less than 200ms), making the key unresponsive. toshiba boot menu key
Don’t waste time. Enter BIOS directly (F2) and either enable the boot menu or manually change boot order inside BIOS. If F12 is unresponsive due to Fast Boot
The Toshiba boot menu key is effective but user‑hostile out of the box. Once set up, it’s as good as any other brand, but the default‑disabled choice is inexplicable for a consumer laptop. toshiba boot menu key