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 program 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 programs, or intervene manually.

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 files

•Playback of MIDI and MP3 files

•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

Conventional headphone

Conventional microphone

 

4-pole plug

 

 

 

 

 

 

Combo audio jack

Headphone and

Headphone function

Not supported

 

microphone functions

supported

 

 

supported

 

 

 

 

 

 

Headphone jack of the

Only headphone function

Headphone function

Not supported

docking station

supported

supported

 

 

Microphone function not

 

 

 

supported

 

 

 

 

 

 

Microphone jack of the

Not supported

Not supported

Microphone function

docking station

 

 

supported

 

 

 

 

To configure the microphone for optimized 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.

40User Guide

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Lenovo 2355AK4, T430SI manual Using the Nvidia Optimus Graphics feature, Using audio features
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T430S, T430SI, 2355AK4 specifications

Lenovo has long been a key player in the laptop market, providing robust machines that cater to business and professional needs. Among its impressive lineup are the Lenovo 2355AK4, T430SI, and T430S models, renowned for their performance, portability, and innovative features.

The Lenovo 2355AK4 is a laptop that emphasizes reliable performance. It is equipped with an Intel Core i5 processor, which delivers efficient multitasking and smooth operation for various applications. The 15.6-inch display offers a resolution sufficient for everyday tasks, making it ideal for professionals on the go. Its portability is enhanced by a lightweight design, allowing users to carry it without significant strain. The battery life is another strong point, providing extended usage to keep up with a busy schedule.

Next in line is the Lenovo T430SI, a model that stands out with its exceptional build quality and durability. This laptop is designed for intense use, making it suitable for professionals who need a device that can withstand the rigors of daily demands. The T430SI features a 14-inch display, combining portability with usability. One of its key characteristics is the inclusion of Intel's vPro technology, which enhances security and simplifies IT management. Additionally, the T430SI comes with a variety of connectivity options, including USB 3.0 ports and Thunderbolt, catering to various peripheral needs.

Finally, the Lenovo T430S is a more lightweight variant of the T430 series, prioritizing both performance and portability. It boasts an innovative design, featuring a 14-inch HD display that offers vibrant visuals and exceptional viewing angles. The T430S utilizes the latest Intel processors, ensuring powerful performance that is further supported by robust SSD options for faster data access. With a sleek profile and a weight of just over 3 pounds, this model is perfect for professionals who travel frequently.

In summary, the Lenovo 2355AK4, T430SI, and T430S boast features that cater to different professional needs. From the reliable performance of the 2355AK4 to the durability of the T430SI and the portability of the T430S, each model showcases Lenovo's commitment to providing innovative solutions for users requiring efficiency and versatility in their devices. Whether for business meetings, remote work, or on-the-go tasks, these laptops stand out as reliable companions for the modern professional.
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