When you change the display output device by function key, the playback
device may not switch automatically. In this case, in order to set the
playback device to the same device as the display output device, please
adjust the playback device manually by the following steps:
1. Click Desktop -> Desktop Assist -> Control Panel -> Hardware and
Sound
-> Sound.
2. In the Playback tab, select the playback device which you want to
switch to.
3. To use the internal speakers on your computer, select Speakers. To use
the television or the external monitor that you have connected to the
computer, select a different playback device.
4. Click the Set Default button if it is available.
5. Click OK to close the Sound dialog.
Settings for display video on HDMI
To view video on the HDMI display device, be sure to configure the
following settings otherwise you may find that nothing is displayed.
Be sure to use the function key to select the display device before starting
to play video. Do not change the display device while playing video.
Do not change the display device under the following conditions.
While data is being read or written.
While communication is being carried out.
Select HD Format
To select the display mode, follow the steps as detailed below:
1. Click Desktop -> Desktop Assist -> Control Panel.
2. Click Appearance and Personalization.
3. Click Display.
4. Click Change display settings.
5. Click Advanced settings.
6. Click List All Modes.
7. Select one of the mode at List All Modes.
Security lock
A security locks enable you to anchor your computer a desk or other heavy
object in order to help prevent unauthorized removal or theft. The computer
has a security lock slot on its right side into which you can attach one end
of the security cable, while the other end attaches to a desk or similar
object. The methods used for attaching security cables differ from product
Satellite U840W series
User's Manual 4-21