Lenovo · Laptop
ThinkPad X1 Extreme Gen 5 / P1 Gen 5
ThinkPad X1 Extreme Gen 5 · ThinkPad P1 Gen 5
F1Tap
UEFI / BIOS setupPress when the logo screen appears.
F12Tap
Temporary boot device menuPress when the logo screen appears, then select the device to start from.
Manufacturer verified · checked
The Lenovo User Guide is explicitly scoped to ThinkPad X1 Extreme Gen 5 and ThinkPad P1 Gen 5 and documents both shortcuts.