Acer Extensa 2900D - Manual (Page 27)

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Hot keys
The computer employs hot keys or key combinations to access most of
the computer’s controls like screen brightness, volume output and the
BIOS Utility.
To activate hot keys, press and hold the Fn key before pressing the
other key in the hot key combination.
Hot key Icon Function Description
Fn-Esc Sleep Puts the computer in Sleep
mode.
See “Power management” on
page 37.
Fn-F5 Display toggle Switches display output
between the display screen,
external monitor (if
connected) and both the
display screen and external
monitor.
Fn-End Speaker toggle Turns the speakers on and off.
Fn-PgUp Volume up Increases the speaker volume.