Lenovo ThinkPad X140e - Manual (Page 123)

• Problem: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps.
Instead, it connects at 100 Mbps.
Solution:
– 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
Problem: You cannot connect to the network using the built-in wireless network card.
Solution: Make sure that:
• Your wireless LAN driver is the latest version.
• your computer is within range of a wireless access point.
• The wireless radio is enabled.
Make sure that the wireless radio is enabled by double-clicking the Access Connections icon in the Windows
notification area.
For the Windows 7 operating system, check the Network Name (SSID) and your encryption information. Use
the Access Connections program to verify this case-sensitive information.
Bluetooth problems
• Problem: Sound does not come from the Bluetooth headset/headphone but comes from the local
speaker even though the Bluetooth headset/headphone is connected using a Headset profile or AV profile.
Solution: Do the following:
1. Exit the program that uses the sound device (for example, Windows Media Player).
2. Open Control Panel and click Hardware and Sound ➙ Sound ➙ Playback.
3. If you are using a Headset profile, select Bluetooth Hands-free Audio and click the Set Default
button. If you are using an AV profile, select Stereo Audio and click the Set Default button.
4. Click OK to close the Sound window.
• Problem: PIM items sent from the Windows 7 operating systems cannot be received correctly into the
address book of any other Bluetooth-enabled device.
Solution: The Windows 7 operating system send PIM items in XML format, but most Bluetooth-enabled
devices handle PIM items in vCard format. If another Bluetooth-enabled device can receive a file through
Bluetooth, a PIM item sent from the Windows 7 might be saved as a file with the extension .contact.
Problems with the keyboard and other pointing devices
The following are the most common problems with keyboards and other pointing devices.
ThinkPad pointing device problems
• Problem: The pointer drifts when the computer is turned on or after it resumes normal operation.
Solution: The pointer might drift when you are not using the TrackPoint pointing device during normal
operation. This is a normal characteristic of the TrackPoint pointing device and is not a defect. Pointer
drifting might occur for several seconds under the following conditions:
– When the computer is turned on
– When the computer resumes normal operation
Chapter 9 . Troubleshooting computer problems 107