•When an application using DirectDraw or Direct3D is played in full-screen mode, it is shown only on the primary display.

•You cannot use the display switching function when you are in the Extend desktop mode.

Enabling the Extend desktop function

To enable the Extend desktop function, do the following:

1.Connect the external monitor to the monitor connector; then connect the monitor to an electrical outlet.

2.Turn on the external monitor.

3.Press Fn+F7, then select Extend.

To change the resolution for each monitor, do the following:

1.Right-click on the desktop, and click Screen resolution.

2.Click the Monitor-1icon (for the primary display, the computer display).

3.Set the resolution for the primary display.

4.Click the Monitor-2icon (for the secondary display, the external display).

5.Set the resolution for the secondary display.

6.Click Advanced settings and set up the color quality on the Monitor tab.

7.Click OK to apply the changes.

Note: To change the color settings, right-click on the desktop, and click Screen resolution. Click Advanced Settings, select the Monitor tab, then set Colors.

Using audio features

Your computer is equipped with the following:

•Combo audio jack, 1/8 inch (3.5 mm) in diameter

•Speakers

•Dual array digital microphone

Your computer also has an audio chip that enables you to enjoy various multimedia audio features, such as the following:

•Recording and playback of PCM and WAV files

•Playback of MIDI and MP3 files

•Recording from various sound sources, such as a headset attached

The following table shows which functions of the audio devices attached to the jacks on your computer are supported.

Table 3. Audio feature list

Jack

Headset with a 3.5 mm

Conventional headphone

Conventional microphone

 

4-pole plug

 

 

 

 

 

 

Combo audio jack

Headphone and

Headphone function

Not supported

 

microphone functions

supported

 

 

supported

 

 

 

 

 

 

To configure the microphone for optimized sound recording, use the Realtek HD Audio Manager program. To start the program, go to Control Panel and click Hardware and Sound ➙ Realtek HD Audio Manager.

Chapter 2. Using your computer 37

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Lenovo 3444GZU, X1, I53427U4GB, I53427U180SSD, 3444GXU manual Using audio features, Enabling the Extend desktop function
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I53427U180SSD, I53427U4GB, X1, 3444GXU, 3444GZU specifications

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