HP Compaq NC6220 Getting Started page 52

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To switch the image to the notebook screen, press
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❏
Getting Started
On most notebook models, when an optional external
display device, such as a monitor, is connected to the
notebook, the image can be displayed at any time on
the notebook screen, the external display, or on both the
notebook screen and the external display simultaneously.
When you press fn+f4, the image is switched among the
notebook, one or more external display devices, and
simultaneous display.
On some notebook models, the function of fn+f4 is
determined by the software you are using. For information
about the fn+f4 functions on your notebook, refer to the
hotkeys section of the Hardware and Software Guide,
which is located on the Notebook Documentation CD.
Troubleshooting
fn+f4:
A–5