Solution: Ensure that:

The monitor information is correct and the appropriate monitor type is selected. Refer to the solution to the above problem.

Ensure that an appropriate refresh rate is selected by doing the following:

1.Connect the external monitor to the monitor connector, and then connect the monitor to an electrical outlet.

2.Turn on the external monitor and the computer.

3.Right-click on the desktop, and click Screen resolution.

Note: If your computer cannot detect the external monitor, click the Detect button.

4.Click the icon for the desired monitor (the Monitor-2icon is for the external monitor).

5.Click Advanced Settings.

6.Click the Monitor tab.

7.Select the correct screen refresh rate.

Problem: Wrong characters are displayed on the screen.

Solution: Did you follow the correct procedure when installing the operating system or application program? If you did, have the external monitor serviced.

Problem: The Extend desktop function does not work.

Solution: Enable the Extend desktop function by doing the following:

1.Connect the external monitor to the monitor connector, and then connect the monitor to an electrical outlet.

2.Turn on the external monitor and the computer.

3.Right-click on the desktop, and click Screen resolution.

4.Click the Monitor-2icon.

5.Select Extend these displays for multiple displays.

6.Click the Monitor-1icon (for the primary display, the computer display).

7.Set the resolution for the primary display.

8.Click the Monitor-2icon (for the external monitor).

9.Set the screen resolution for the secondary display.

10.Set the relative position of each monitor by dragging its icon. You can set the monitors in any relative position, but the icons must touch each other.

11.Click OK to apply the changes.

Note: To change the color settings, right-click on the desktop, and click Screen resolution. Click Advanced Settings, select the Monitor tab, then set Colors.

Problem: If you use the Extend desktop function, you cannot set a higher resolution or higher refresh rate on the secondary display.

Solution: Change the resolution and the color depth to lower settings for the primary display. Refer to the solution to the above problem.

Problem: Display switching does not work.

Solution: If you use the Extend desktop function, disable it, and change the display output location. If a DVD movie or a video clip is playing, stop the playback, close the application, and then change the display output location.

Chapter 10. Troubleshooting computer problems 117

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Lenovo S540 manual Click Advanced Settings

S540 specifications

The Lenovo S540 is a sophisticated laptop designed for both performance and portability, making it an excellent choice for professionals and students alike. This device showcases a blend of modern aesthetics and powerful functionality, representing a notable entry in Lenovo's versatile lineup.

At the heart of the Lenovo S540 lies an Intel Core processor, available in multiple configurations, enabling users to select the level of performance that best suits their needs. These processors deliver exceptional speed and responsiveness, allowing users to seamlessly handle demanding tasks such as video editing, graphic design, or multitasking across various applications.

One of the standout features of the S540 is its stunning display. The laptop offers a Full HD display with vibrant colors and sharp details, whether you are watching movies, editing photos, or simply browsing the web. The narrow bezels around the screen enhance the viewing experience, making it an immersive option for both work and entertainment.

In terms of design, the Lenovo S540 boasts a sleek and lightweight chassis, making it ideal for on-the-go usage. Weighing in at just over 3.5 pounds, it easily fits into backpacks or briefcases, perfect for commuters or students moving between classes. The premium build quality ensures that it not only looks good but can also withstand daily wear and tear.

Battery life is another highlight, with the S540 offering impressive longevity that can last up to 12 hours on a single charge. This capability is crucial for users who may not have immediate access to a power source while out and about. Furthermore, it features rapid charge technology allowing users to recharge the battery quickly when needed.

Connectivity options on the S540 are generous, including USB-C, USB 3.1, HDMI, and a headphone/microphone combo jack. These ports facilitate easy connection to a variety of devices and peripherals, enhancing the overall usability of the laptop.

The Lenovo S540 also makes considerable use of modern technologies such as Intelligent Cooling, which adjusts performance and efficiency based on usage patterns, and TrueBlock Privacy Shutter, providing users with physical protection for the webcam when not in use.

With its balance of style, performance, and innovative features, the Lenovo S540 stands out as a formidable option in the competitive landscape of ultrabooks, making it a prime choice for anyone in need of a reliable and capable laptop.