Display and multimedia devices

This section includes the most common display and multimedia devices problems which are computer screen, external monitor, audio, and optical drive. Check these topics to learn more information.

Computer screen problems

Problem: The screen is blank.

Solution: Do the following:

Press Fn+F7 to bring up the image.

Note: If you use the Fn+F7 key combination to apply a presentation scheme, press Fn+F7 at least three times in three seconds, and the image is displayed on the computer screen.

If you are using the ac power adapter, or using the battery and the battery status indicator is on (is green), press Fn+Home to make the screen brighter.

If the sleep (standby) status indicator is on (is green), press Fn to resume from the sleep (standby) mode.

If the problem persists, do the Solution in the problem below.

Note: If your computer is a Windows 7 model, it does not support the presentation scheme.

Problem: The screen is unreadable or distorted.

Solution: Make sure that:

The display device driver is installed correctly.

The screen resolution and color quality are correctly set.

The monitor type is correct.

To check these settings, do as follows:

For Windows 7:

1.Right-click on the desktop, and click Personalize.

2.Click Display at the left.

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

4.Click Advanced Settings.

5.Click the Adapter tab.

6.Make sure 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.

7.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 the device is working properly. If not, click the Troubleshoot button. Close the Properties window.

8.Click the Monitor tab. Check whether the color quality is correctly set, make sure other information is also correct.

9.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 the device is working properly. If not, click the Troubleshoot button.

For Windows Vista:

1.Right-click on the desktop, and click Personalize.

2.Click Display Settings and check whether the screen resolution and color quality are correctly set.

3.Click Advanced Settings.

Chapter 10. Troubleshooting computer problems 219

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Lenovo 429040 manual Display and multimedia devices, Computer screen problems

429040 specifications

The Lenovo 429040 is an innovative laptop model that caters to both business professionals and casual users alike, combining portability, performance, and design. This device is engineered to meet the demands of modern computing, making it a standout option in the competitive laptop market.

One of the main features of the Lenovo 429040 is its sleek and lightweight design. Weighing just around 3.5 pounds, it is incredibly portable, making it easy to carry for on-the-go professionals or students. The laptop sports a robust chassis made from durable materials, ensuring longevity while also maintaining a modern aesthetic. The design incorporates a high-resolution display, typically a Full HD IPS panel, which offers vibrant colors and wide viewing angles. This is perfect for both work presentations and multimedia consumption.

Under the hood, the Lenovo 429040 is equipped with powerful processing capabilities. It often comes with the latest Intel or AMD processors, providing the necessary power for multitasking and demanding applications. Coupled with significant RAM options, typically ranging from 8GB to 16GB, users can run multiple applications simultaneously without experiencing slowdown. This makes it ideal for tasks such as video editing, software development, and heavy browsing.

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The keyboard of the Lenovo 429040 is designed for comfort, featuring backlit keys that facilitate typing in low-light conditions, along with a responsive touchpad. Security features such as a fingerprint reader and optional AI-based security enhancements are additional highlights that ensure data protection.

Overall, the Lenovo 429040 stands out for its combination of style, performance, and practicality, making it a reliable choice for those looking for a capable laptop that can adapt to various usage scenarios. Whether for business tasks, educational purposes, or entertainment, it delivers a well-rounded experience.