Some functions that users can perform with F keys include accessing an advanced startup menu, displaying the help menu and restoring the computer. The exact functions that users can perform with the F Keys depend on the operating system and the computer.
Before the Windows operating system loads on a PC, the user can press the F8 key on his keyboard to access an advanced startup menu. Another function of the F key when using a Windows operating system is that the help menu for the active window displays by pressing the F1 key. The help and support menu for the active window displays when a user presses the Windows logo button on the keyboard and the F1 key.
By pressing the F12 key before a Lenovo computer boots into Windows 8 or 8.1, the user can restore his computer. Users can enter the Windows safe mode if they press the F8 key before Windows loads. The boot option also gives a computer administrator the opportunity to repair their computer or go into a debugging mode.
Pressing the F12 or F1 key before the Windows operating system loads on a Lenovo computer provides the consumer with access to the setup utility option for his computer. The utility screen gives the user access to the boot menu, troubleshooting settings and firmware settings. .