Function (Fn) key combinations - ThinkPad 770/E/ED/X/Z
Fn key Combinations
Fn+
Result
F2
Displays the battery power status indicator or erases it if it is displayed (the fuel-guage program must first be activated).
F3
Places the computer in standby mode.
F4
Places the computer in suspend mode.
F7
Changes computer display output locations.
F8
Displays coomputer output in XGA (full screen) mode. If the computer is equpped witha 13.7" SXGA display and used in standard VGA mode, you cannot use this function.