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1. Click Start -> Control Panel -> Hardware and Sound -> Sound.
2. In the Playback tab, select the playback device which you want 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.
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 or audio device while
playing media files.
Do not change the display device under the following conditions.
While data is being read or written.
While communication is being carried out.
Selecting HD Format
To select the display mode, follow the steps as detailed below:
1. Click Start -> Control Panel -> Appearance and Personalization ->
Display -> Change display settings -> Advanced settings -> List
All Modes .
2. Select one of the modes at List All Modes.
Changing the display settings
After one or more external displays are connected, the operating system
can automatically detect, identify and setup the display settings.
You can also manually manage how the external displays will work and
change the display settings by pressing P while holding down the
Windows ( ) key. If you disconnect the external display before you turn
the computer's power off, be sure to switch to the internal display.
A security lock enables you to anchor your computer to a desk or other
heavy object in order to help prevent unauthorized removal or theft. The
computer has a security lock slot on its left 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