•“A wireless LAN problem” on page 132

•“A wireless WAN problem” on page 133

•“Bluetooth problem” on page 133

For more information, see “Help and Support” on page 139.

Ethernet problems

For Ethernet problems, select your symptom from the following list:

•“Your computer cannot connect to the network” on page 131

•“The adapter stops working for no apparent reason” on page 132

•“If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur” on page 132

•“If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps” on page 132

Your computer cannot connect to the network

Symptom: Your computer cannot connect to the network.

Actions: Ensure that:

•The cable is installed properly.

The network cable must be securely connected to both the Ethernet connector of your computer and the RJ45 connector of the hub. The maximum allowable distance from the computer to hub is 100 meters. If the cable is connected and the distance is within acceptable limits but the problem persists, try a different cable.

•The cable is installed properly.

•You are using the correct device driver.

On the Windows 7 operating system, do the following:

1.Click Start ➙ Control Panel.

2.Click Hardware and Sound.

3.Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

4.If an exclamation mark is displayed next to an adapter name under Network adapters, you might not be using the correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter.

5.Click Update Driver Software, and then follow the instructions on the screen.

On the Windows 8 or Windows 8.1 operating system, do the following:

1.Open Control Panel.

Note: For detailed information on how to open Control Panel on Windows 8 and Windows 8.1, see “Accessing Control Panel on the Windows 8 or Windows 8.1 operating system” on page 22.

2.Click Hardware and Sound.

3.Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

4.If an exclamation mark is displayed next to an adapter name under Network adapters, you might not be using the correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter.

5.Click Update Driver Software, and then follow the instructions on the screen.

Chapter 10. Troubleshooting and diagnostics 131

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Lenovo 10AB000KUS manual Ethernet problems, Your computer cannot connect to the network
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10AB000KUS specifications

The Lenovo 10AB000KUS is a versatile all-in-one desktop computer designed for both productivity and entertainment. Known for its sleek design and powerful performance, this device caters to a wide range of users, from students to professionals seeking a reliable system for everyday tasks.

At its core, the 10AB000KUS is powered by the latest Intel processors, offering an optimized balance of speed and efficiency. This system includes ample RAM, which ensures smooth multitasking capabilities, allowing users to run multiple applications simultaneously without any lag. The inclusion of solid-state drive (SSD) storage significantly enhances the performance by providing faster boot times and quicker access to files and applications.

One of the key features of the Lenovo 10AB000KUS is its stunning display. The device boasts a high-definition screen that delivers vibrant colors and sharp images, making it ideal for media consumption, gaming, or professional work that requires precise visual details. The narrow bezels further contribute to a modern aesthetic while maximizing the viewing area.

In terms of connectivity, the Lenovo 10AB000KUS is equipped with a variety of ports, including USB Type-C, HDMI, and traditional USB-A ports, allowing users to connect a range of peripherals seamlessly. It also supports Wi-Fi and Bluetooth technology, enabling wireless connections to the internet and other devices, which is essential for contemporary work and home setups.

Another notable feature is the integrated webcam and microphone, making video conferencing easy and efficient, particularly important in today’s remote working environment. Lenovo's commitment to user experience is exemplified by their advanced security features, including a privacy shutter for the webcam, ensuring user privacy remains a priority.

The Lenovo 10AB000KUS is also designed with sustainability in mind. Its energy-efficient components and construction methods reflect Lenovo's initiative to reduce environmental impact, making it a responsible choice for eco-conscious consumers.

In summary, the Lenovo 10AB000KUS combines power, style, and functionality into a single device. With its robust performance, high-quality display, comprehensive connectivity options, and thoughtful design, it stands out in the competitive all-in-one desktop market, meeting the diverse needs of users in both work and play settings. This makes it an excellent choice for anyone looking to invest in a dependable and stylish desktop computer solution.
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