Actions:

Try another cable.

Make sure that the link partner is set to auto-negotiate.

Make sure that the switch is 802.3ab-compliant (gigabit over copper).

A wireless LAN problem

Symptom: You cannot connect using the built-in wireless networking card.

Actions:

Make sure that your wireless LAN driver is the latest version. Check the Web site and verify the driver version supported by Access Connections is the latest documented in the readme file.

Make sure that your computer is within range of a wireless access point.

Make sure that the wireless radio is enabled by double-clicking the Access Connections icon in the Windows notification area.

Note: On the Windows 7 operating system, click Show hidden icons in the Windows notification area. The Access Connections icon is displayed. For more information about the icon, see the Help in Access Connections.

Check Network Name (SSID), and your encryption information. Use Access Connections to verify this case-sensitive information.

A wireless WAN problem

Message: Unauthorized WAN card is plugged in - Power off and remove the WAN card.

Action: The WAN card is not supported on this computer. Remove it.

Note: Some computer models do not have a wireless WAN.

Bluetooth problems

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

“Sound does not come from the Bluetooth headphone” on page 96

“PIM items sent from the Windows 7 operating system cannot be received correctly” on page 97

Sound does not come from the Bluetooth headphone

Symptom: Sound does not come from the Bluetooth headset/headphone but comes from the local speaker even though the headset/headphone is connected using Headset profile or AV profile.

Action: Do the following:

1.Exit the application that uses the sound device (for example, Windows Media Player).

2.Open the Control Panel by clicking Start Control Panel.

3.Click Hardware and Sound Sound.

4.Select the Playback tab.

5.If you are using Headset profile, select Bluetooth Hands-free Audio and click the Set Default button. If you are using AV profile, select Stereo Audio and click the Set Default button.

6.Click OK to close the Sound window.

96ThinkStation User Guide

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Lenovo 2554, 2551, 2552, 2555 Wireless LAN problem, Wireless WAN problem, Bluetooth problems, Click Hardware and Sound Sound

2552, 2555, 2553, 2554, 2551 specifications

Lenovo has a renowned history of delivering reliable and innovative technology solutions, with its 2550 series comprising the models 2551, 2552, 2553, 2554, and 2555 standing as significant entrants in the competitive PC landscape. These models cater to a diverse range of user needs, from everyday tasks to more specialized applications, reflecting Lenovo’s commitment to providing versatile computing options.

The Lenovo 2551 is designed with an emphasis on performance and efficiency. This model features an Intel processor that boasts robust processing power, making it ideal for multitasking and demanding applications. It is equipped with a high-resolution display, offering sharp and vivid visuals that enhance the user experience, whether for work or leisure.

Moving on to the Lenovo 2552, this version highlights a sleek and modern design, emphasizing portability without sacrificing performance. It includes advanced connectivity options, ensuring users stay connected with ease. The 2552 also integrates Lenovo’s latest thermal technology, which helps maintain optimal performance by keeping the system cool during intensive use.

The Lenovo 2553 emphasizes security and durability. This model incorporates Lenovo’s Advanced Security features, such as biometric verification and robust encryption, safeguarding user data against unauthorized access. Moreover, its rugged build quality ensures it can withstand the rigors of daily use, making it suitable for both office environments and on-the-go professionals.

The Lenovo 2554 further elevates the series with enhanced graphics capabilities, making it a choice model for creative professionals who require superior visual performance. This version supports a variety of high-end graphical tasks, aligning with the growing demand for graphic-intensive applications in design and multimedia fields.

Finally, the Lenovo 2555 rounds out the series with a strong focus on sustainability and energy efficiency. It incorporates eco-friendly materials and is designed to consume less power, contributing to reduced environmental impact. This model not only meets performance expectations but also aligns with Lenovo’s vision for sustainable innovation.

In summary, the Lenovo 2551, 2552, 2553, 2554, and 2555 each bring unique features and technologies that cater to various user needs. From robust performance and security to enhanced graphics and sustainability, this series embodies Lenovo’s commitment to providing cutting-edge solutions that enable users to thrive in a tech-driven world.