Lenovo ThinkPad T520 (English) User Guide - Page 101

Using dual displays, Playing sound, Using the Extend desktop function

Page 101 highlights

You can create a presentation scheme by following the instructions of the Presentation Director, with the projector attached to your computer. You can save the scheme for a future presentation with the same equipment. Playing sound Your projector might have one or more audio-input connectors. To project sound, you will need to attach the combo audio jack on your computer to these connectors, using an audio cable (commercially available). Using dual displays 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 83 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 Intel display adapter, you can designate the other display as the primary display by doing the following: 1. Press Ctrl+Alt+F12. The Intel CUI window opens. 2. Select Extended Desktop. 3. Change the setting to designate the primary display. • When an application using the DirectDraw or the 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 as follows: For Windows 7: 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 as follows: 1. Right-click on the desktop, and click Screen resolution. 2. Click the Monitor-1 icon (for the primary display, the computer display). 3. Select the Resolution of the primary display. 4. Click the Monitor-2 icon (for the secondary display, the external display). 5. Select the Resolution of 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. Chapter 2. Using your computer 83

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You can create a presentation scheme by following the instructions of the Presentation Director, with the
projector attached to your computer. You can save the scheme for a future presentation with the same
equipment.
Playing sound
Your projector might have one or more audio-input connectors. To project sound, you will need to attach the
combo audio jack on your computer to these connectors, using an audio cable (commercially available).
Using dual displays
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 83 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 Intel display adapter, you can designate the other display as the primary display
by doing the following:
1. Press Ctrl+Alt+F12. The Intel CUI window opens.
2. Select
Extended Desktop
.
3. Change the setting to designate the primary display.
When an application using the DirectDraw or the 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 as follows:
For Windows 7:
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 as follows:
1. Right-click on the desktop, and click
Screen resolution
.
2. Click the
Monitor-1
icon (for the primary display, the computer display).
3. Select the
Resolution
of the primary display.
4. Click the
Monitor-2
icon (for the secondary display, the external display).
5. Select the
Resolution
of 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.
Chapter 2
.
Using your computer
83