HP · Desktop
Z2 G8 Tower
Z2 G8 Tower · G8 Tower
ESCTap repeatedly
Startup MenuBegin tapping immediately after turning on the computer.
F9Select from Startup Menu
Boot Device OptionsOpen the Startup Menu with Esc, then press F9 to choose a temporary boot device.
F10Tap repeatedly
BIOS / UEFI setupPress during startup, or choose BIOS Setup from the Startup Menu.
F2Select from Startup Menu
HP PC Hardware Diagnostics UEFIOpen the Startup Menu with Esc, then press F2 for preboot diagnostics.
Manufacturer guidance · checked
HP's documented startup-menu guidance applies to the Z2 G8 Tower family; available menu items can vary by BIOS version and configuration.