Lenovo B490 Hardware Maintenance Manual page 46

Table 2. Function key combinations (continued)
Key combination
Fn+Home
Fn+End
Fn+PgDn
Fn + up/down arrow
Fn + left/right arrow
40
Hardware Maintenance Manual
Description
Has the same function as the Pause key on a conventional keyboard.
Has the same function as the Break key on a conventional keyboard.
Has the same function as the Insert key on a conventional keyboard.
Increases or decreases the display brightness level.
Decreases or increases the sound volume.