Using the Extend desktop function

Your computer supports a function named the Extend desktop. With the Extend desktop function, you can display output on both the computer display and an external monitor. You can also display different desktop images on each monitor.

You can use the Extend desktop function without changing any settings. If the function does not work, refer to “Enabling the Extend desktop function” on page 44 to enable it.

Considerations for using the Extend desktop function

If you want to show DOS full-screen while in the Extend desktop mode, only the primary display shows DOS; the other display is blacked out.

If your computer has the AMD® display adapter, you can designate the other display as the primary display by doing the following:

1.Right-click on the desktop, then select Screen resolution.

2.Select Extend these displays in Multiple Displays.

3.Change the setting to designate the primary display.

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 F6, 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.Place the icons for the monitors so that they touch.

Note: You can set the monitors in any relative position, but the icons must touch each other.

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

Built-in stereo speakers

Built-in monaural digital microphone

Your computer also has an audio chip that enables you to enjoy various multimedia audio features:

44User Guide

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Lenovo E525, E425 manual Using audio features, Using the Extend desktop function, Enabling the Extend desktop function