Why don't the Fn+F3 or the Fn+F4 key combinations work?
The Fn+F3 keys toggle the built-in speakers on and off. The Fn+F4 keys adjust the built-in speaker volume. The computer
may not recognize the Fn+F3 and Fn+F4 keys if the correct speakers are not selected. Follow these steps:
1.
Right-click the
Volume
icon
on the taskbar, and select
Adjust Audio Properties
.
2.
On the
Volume
tab, click
Advanced
in the
Speaker settings
box. The
Advanced Audio Properties
window
appears.
3.
On the
Speakers
tab, select the correct speaker setup from the
Speaker setup
drop-down menu.
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Summary of Contents for VAIO VAIO Notebook Computer
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