Lenovo ThinkPad E555 - Manual (Page 58)

Table 8. Special keys (continued)
Special key Description
Opens Computer.
Fn+B Has the same function as the Break key on a conventional keyboard.
Fn+K Has the same function as the ScrLK key on a conventional keyboard.
Fn+P Has the same function as the Pause key on a conventional keyboard.
Fn+S Has the same function as the SysRq key on a conventional keyboard.
52 Hardware Maintenance Manual