LG LG15Z96 User Manual page 178

178
FAQ
3
Press [Fn] + [F7] to redirect the video output to the external device.
TIP
Switching screen output device by pressing [Fn] + [F7]
•
Press [Fn] + [F7] to display the Toggle Screen menu. Then select the screen mode
you want and press [Enter].
CAUTION
•
If you do not set Speaker as the default value after disconnecting the HDMI cable,
the system may not produce any sound.
•
If a program was running already, you need to exit and restart the program for it to
produce sound.