Lenovo ThinkPad Edge E440, User Manual, Page: 59 / 186

3. Press F7, then select Duplicate or 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-1 icon, which is for the primary display (the computer display by default).
3. Set the resolution for the primary display.
4. Click the Monitor-2 icon, which is for the secondary display (the external display by default).
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.
Considerations for using the Extend desktop function
• If you want to show DOS full-screen while in Extend desktop mode, only the primary display shows
DOS; the other display is blacked out.
• If your computer has the Intel
®
graphics card, you can designate the primary display by doing the following:
1. Press Ctrl+Alt+Fn+F12. The Intel CUI window opens.
2. Select Extended Desktop .
3. Change the setting to designate the primary display.
• If your computer has the AMD
®
graphics card, you can designate the primary display by doing the
following:
1. Right-click on the desktop and then select Screen resolution .
2. Select Extend these displays in Multiple Displays .
3. Change the setting to designate the primary display.
• When a program using DirectDraw or Direct3D is running in full-screen mode, only the primary display
shows the output.
• You cannot use the display switching function in Extend desktop mode.
Using audio features
Your computer is equipped with the following items:
• Built-in speakers
• Built-in microphones
• Combo audio connector, 3.5 mm (0.14 inch) in diameter
Your computer also has an audio chip that enables you to enjoy various multimedia audio features, such
as the following:
• Compliant with High Definition Audio
• Playback of MIDI and MP3 files
• Recording and playback of PCM and WAV files
• Recording from various sound sources, such as a headset attached
The following table shows which functions of the audio devices attached to the connectors on your computer
or the supported ThinkPad OneLink Dock are supported.
Chapter 2
.
Using your computer
43