Manuals / Lenovo / Computer Equipment / Laptop

Lenovo 5070, 4167, 385, 4164, 5049 Ethernet problems, Your computer cannot connect to the network

Models: 4164 385 267 4167 5070 5025 5035 5049 7518 5032

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•“Bluetooth problems” on page 102

For more information, see “Help and Support” on page 111.

Ethernet problems

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

•“Your computer cannot connect to the network” on page 101

•“The adapter stops working for no apparent reason” on page 101

•“If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur” on page 102

•“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 102

Your computer cannot connect to the network

Symptom: Your computer cannot connect to the network.

Actions: Make sure 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 and the Windows Vista 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 use 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.

•The switch port and the adapter have the same duplex setting.

If you configured the adapter for full duplex, make sure the switch port is also configured for full duplex. Setting the wrong duplex mode can degrade performance, cause data loss, or result in lost connections.

•You have installed all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software.

The adapter stops working for no apparent reason

Symptom: The adapter stops working for no apparent reason.

Action: The network driver files may be corrupt or missing. Update the driver by referring to the “Solution” description for the procedure to make sure that the correct device driver is installed.

The Wake on LAN feature is not working

Symptom: The Wake on LAN (WOL) feature is not working.

Chapter 10. Troubleshooting and diagnostics 101

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Lenovo 5070 Ethernet problems, Your computer cannot connect to the network, Adapter stops working for no apparent reason
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4164, 385, 267, 4167, 5070 specifications

Lenovo has established itself as a leader in the technology sector, consistently delivering innovative products that cater to various user needs. Among its vast offerings, the models 5032, 7518, 5049, 5035, and 5025 are noteworthy for their unique features, advanced technologies, and robust performance.

The Lenovo 5032 is known for its versatility and reliability. It boasts a powerful processor that handles multitasking with ease, making it ideal for both office use and gaming. With a high-resolution display, users can enjoy vibrant visuals, which is perfect for graphic-intensive tasks. Its lightweight design and long battery life enhance portability, allowing users to work or play on the go without frequent recharging.

The 7518 model stands out with its cutting-edge security features. Equipped with a fingerprint scanner and advanced encryption technologies, it ensures that users' data remains protected against unauthorized access. The device also includes a stunning display and exceptional audio output, catering to media consumption and conference calls. Its robust build quality makes it suitable for both home and professional environments.

The Lenovo 5049 focuses on user comfort and connectivity. Featuring a full-size keyboard with ergonomic design, it offers a pleasant typing experience for prolonged use. The model is also equipped with multiple USB ports and connectivity options, allowing users to connect various peripherals seamlessly. Additionally, integrated Wi-Fi 6 support ensures faster internet speeds and improved online experiences.

With the 5035 model, Lenovo emphasizes entertainment and gaming performance. Packed with a dedicated graphics card, it offers excellent graphical performance and is suitable for casual gaming as well as media creation. The high refresh rate display on this model enhances gameplay and visual fidelity, providing users with an immersive experience. Its enhanced thermal management system keeps the device cool during intensive use, ensuring sustained performance.

Lastly, the 5025 model is designed for budget-conscious consumers who do not want to compromise on essential features. It offers reliable performance for everyday tasks, such as browsing, document editing, and streaming. Its compact form factor is ideal for users with limited desk space, while its energy-efficient components ensure longer battery life, making it an excellent choice for students and professionals alike.

In summary, Lenovo's 5032, 7518, 5049, 5035, and 5025 models each bring distinct advantages tailored to different user needs, making them formidable choices in today's technology landscape. Their emphasis on performance, security, and user experience underscores Lenovo's commitment to quality and innovation.