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To change the resolution and color quality for each monitor, do the following:
1. Right-click on the desktop, and click Screen resolution.
2. Click the monitor-1 icon (for the primary display, the computer display).
3. Set the resolution for the primary display.
4. Click the monitor-2 icon (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.
Using the NVIDIA Optimus Graphics feature
Some ThinkPad notebook computers support the NVIDIA Optimus Graphics feature.
To achieve the best balance between the computer performance and a long battery life, depending on the
graphics quality demand of the running application and the settings of the power plan 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 applications, or intervene manually.
Note: The NVIDIA Optimus Graphics feature is only supported on Windows 7 operating system.
Using audio features
Your computer is equipped with the following:
• Combo audio jack, 1/8 inch (3.5 mm) in diameter
• Built-in speakers
• Built-in microphones
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 les
• Playback of MIDI and MP3 les
• 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 or
docking station are supported.
Table 3. Audio feature list
Jack Headset with a 3.5 mm
4-pole plug
Conventional headphone Conventional microphone
Combo audio jack
Headphone and
microphone functions
supported
Headphone function
supported
Not supported
Headphone jack of the
docking station
Only headphone function
supported
Microphone function not
supported
Headphone function
supported
Not supported
Microphone jack of the
docking station
Not supported Not supported
Microphone function
supported
40 User Guide