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 the following:

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 that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen.

8.Click the Monitor tab. Check whether the color quality is correctly set, and make sure that the other information also is 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 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 application 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 switch 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.

Chapter 10. Troubleshooting computer problems 143

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Lenovo 2344BMU manual External monitor problems, Click Advanced Settings
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2344BMU specifications

The Lenovo 2344BMU, often recognized for its blend of performance and efficiency, caters to a wide range of users, from students to professionals. This laptop is part of Lenovo's esteemed lineup, which is known for its robust construction and versatile features.

One of the standout characteristics of the Lenovo 2344BMU is its sleek design, which combines modern aesthetics with functionality. The lightweight chassis makes it easily portable, making it an ideal companion for those on the go. The laptop's display features a vibrant resolution, providing crisp visuals that enhance the user experience whether for work or entertainment.

At the heart of the 2344BMU lies an Intel processor, delivering efficient performance that ensures seamless multitasking. Coupled with sufficient RAM, the device can handle daily tasks, from web browsing to running demanding applications, with remarkable ease. The inclusion of solid-state drives (SSD) in this model is another highlight, significantly improving boot times and application load speeds.

In terms of connectivity, the Lenovo 2344BMU comes equipped with multiple USB ports, an HDMI output, and an Ethernet port, allowing for versatile connectivity options. This makes it easy to connect to various external devices, such as monitors and storage devices, enhancing its usability for presentations and data sharing.

Another key feature of the 2344BMU is its comprehensive battery life. It is designed to support extended usage without the need for frequent recharging, making it ideal for users who may need to work away from power outlets. The device also incorporates energy-efficient components, contributing to lower energy consumption, which is a boon for eco-conscious users.

In terms of software, the Lenovo 2344BMU typically comes pre-installed with a user-friendly operating system, often Windows, which provides access to a myriad of applications and services. Lenovo also integrates its own software solutions, enhancing security and system performance.

Overall, the Lenovo 2344BMU stands out for its combination of portability, performance, and connectivity features. This makes it an excellent choice for a diverse user base looking for a reliable and efficient laptop. Whether for personal use, academic pursuits, or professional tasks, the 2344BMU delivers solid performance to meet various computing needs.
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