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1-6 Product Information HP OmniBook 4100/4150
Using Fn Hot Keys
The Fn key combined with another key is a hot key—a shortcut key sequence for various system
controls. For an external keyboard, CTRL+ALT is normally equivalent to the Fn key.
Table 1-6. Fn Hot Keys
Hot Key Effect
Fn + F1 Decreases the display’s brightness.
Fn + F2 Increases the display’s brightness.
Fn + F3 Decreases the display’s contrast (non-TFT displays only).
Fn + F4 Increases the display’s contrast (non-TFT displays only).
Fn + F5 Switches among the built-in display, an external display, and simultaneous displays.
Fn + F8 Toggles the embedded keypad on and off. Does not affect an external keyboard. If
Num Lock is on, then the numeric functions are active—otherwise, cursor control is
active.
Fn + F12 Enters Hibernate mode.
Fn + R Enters Suspend mode.
Fn + S Enters Standby mode (Windows 95, Windows NT) or Suspend mode (Windows 98).
Fn + ScrLk Toggles Scroll Lock on and off.
Fn + UP ARROW
Fn + DOWN ARROW
Increases and decreases the sound volume.
Resetting the OmniBook
1. Use a pen or a straightened paper clip to push the system-off button on the left side of the
OmniBook. (The switch is on the motherboard.)
–or–
Press and hold the blue power button until the display shuts down. (The switch is on the
motherboard.)
2. After the computer shuts down, press the blue power button to turn it back on.
Note
The OmniBook can boot from a CD if all these conditions are true:
• You have an internal CD-ROM or DVD drive installed,
• You have a bootable CD in the drive, such as the OmniBook Recovery CD, and
• You select the CD-ROM or DVD drive as the boot device. You can do this during reboot by
pressing ESC to cancel the OmniBook screen, then ESC to display the boot-device menu for
a one-time selection.