Using The Nvidia Optimus Graphics Feature; Using Audio Features; Using The Camera - Lenovo ThinkPad T440p User Manual

• If your computer has the Intel graphics card, you can designate the primary display by doing the following:
1. Right-click on the desktop and select Screen Resolution.
2. Click the desired display image and select the Make this my main display check box.
3. Click OK.
• When an application using DirectDraw or Direct3D is running in full-screen mode, only the primary display
shows the output.
• You cannot use the display switching function when you are in Extend desktop mode.

Using the NVIDIA Optimus Graphics feature

Some ThinkPad notebook computers support NVIDIA Optimus Graphics.
To achieve the best balance between the computer performance and a long battery life, depending on the
graphics quality demand of the running program and power plan settings that you use, the NVIDIA Optimus
Graphics feature automatically switches between High Performance Graphics and Energy Saving Graphics,
with no need to restart your computer, close programs, or intervene manually.
Note: The NVIDIA Optimus Graphics feature is only supported on the Windows 7 operating system.

Using audio features

Your computer is equipped with the following items:
• Microphones
• Speakers
• 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:
• 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 docking station are supported.
Table 3. Audio feature list
Connector
Combo audio connector
To configure the microphone for optimal 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.

Using the camera

If your computer has a camera, you can use the camera to preview your video image and take a snapshot
of your current image.
Headset with a 3.5 mm
(0.14–inch) 4-pole plug
Headphone and
microphone functions
supported
Conventional headphone
Headphone function
supported
Chapter 2
Conventional microphone
Not supported
.
Using your computer
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