HP Laptop 4100 User Manual download pdf (Page 12)

1-6 Product Information HP OmniBook 4100

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.

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 VGA

PCA.)

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 drive installed,

• You have a bootable CD in the drive, such as the OmniBook Recovery CD, and

• You select the CD-ROM 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.

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HP Laptop 4100 User Manual Page 12