3.Select Change display settings. Check whether the screen resolution is correctly set.

4.Click Advanced Settings.

5.Click the Adapter tab. Ensure that the correct device driver name is shown in the adapter information window.

Note: The device driver name depends on the video chip that has been installed on your computer.

6.Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and make sure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen.

7.Click the Monitor tab. Ensure that the correct device driver name is shown in the adapter information window.

8.Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and make sure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen.

9.Click the Color Management tab. Check whether the color quality is correctly set, and ensure that the other information also is correct. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and ensure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen.

•Problem: Incorrect characters are displayed on the screen.

Solution: Did you install the operating system or program correctly? If they are installed and configured correctly, have the computer serviced.

•Problem: The screen stays on even after you turn off your computer.

Solution: Press and hold the power button for four seconds or more to turn off your computer; then turn it on again.

•Problem: Missing, discolored, or bright dots appear on the screen every time you turn on your computer.

Solution: This is an intrinsic characteristic of the TFT technology. Your computer display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time.

External monitor problems

•Problem: The external monitor is blank.

Solution: To bring up the image, press Fn+F7 and select the desired monitor. If the problem persists, do the following:

1.Connect the external monitor to another computer to make sure that it works.

2.Reconnect the external monitor to your computer.

3.Refer to the manual shipped with the external monitor to check the resolutions and refresh rates that are supported.

–If the external monitor supports the same resolution as the computer display or a higher resolution, view output on the external monitor or on both the external monitor and the computer display.

–If the external monitor supports a lower resolution than the computer display, view output on the external monitor only. (If you view output on both the computer display and the external monitor, the external monitor screen will be blank or distorted.)

•Problem: You cannot set a higher resolution than the present one on your external monitor.

Solution: Make sure that the monitor type and other information is correct. If necessary, update the monitor driver. See “Attaching an external monitor” on page 36.

•Problem: The screen is unreadable or distorted.

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Lenovo T430SI, 2355AK4 manual External monitor problems, Click Advanced Settings
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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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