Lenovo 5068, 7567, 7558 manual Wireless LAN problem, Wireless WAN problem, Bluetooth problems

If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps

Symptom: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps.

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: If your computer is preinstalled with 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: Seek technical assistance for help to remove the unauthorized WAN card. See “Additional information resources” on page 29 for more information.

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

Bluetooth problems

Bluetooth is available with some certain computer models.

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

•“Sound does not come from the Bluetooth headphone” on page 44

•“PIM items sent from the Windows 7 operating system cannot be received correctly” on page 45

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 .

44ThinkCentre Edge Hardware Maintenance Manual