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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 119
• “PIM items sent from the Windows 7 or Windows 8 operating system cannot be received correctly”
on page 119
Sound does not come from the Bluetooth headphone
Symptom: Sound does not come from the Bluetooth headset or headphone but comes from the local
speaker even though the headset or headphone is connected using the Headset prole or AV prole.
Action: Do the following:
1. Exit the application that uses the sound device (for example, Windows Media Player).
2. Open Control Panel.
3. Click Hardware and Sound ➙ Sound.
4. Select the Playback tab.
5. If you are using the Headset prole, select Bluetooth Hands-free Audio and click the Set Default
button. If you are using the AV prole, select Stereo Audio and click the Set Default button.
6. Click OK to close the Sound window.
PIM items sent from the Windows 7 or Windows 8 operating system cannot be received correctly
Symptom: Personal Information Manager (PIM) items sent from the Windows 7 or Windows 8 operating
system cannot be received correctly into the address book of any other Bluetooth-enabled device.
Action: The Windows 7 and Windows 8 operating systems 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 le through Bluetooth, a PIM item sent from the Windows 7 or Windows 8 operating system
might be saved as a le with the extension .contact.
Option problems
Use this information to diagnose problems with Lenovo hardware options that do not have their own
troubleshooting information.
Select your symptom from the following list:
• “An option that was just installed does not work” on page 119
• “An option that previously worked does not work now” on page 120
An option that was just installed does not work
Symptom: An option that was just installed does not work.
Action: Verify that:
• The option is designed for your computer.
• You followed the installation instructions supplied with the option and the installation instructions provided
with your computer, and all option les (such as device drivers, if required) are installed correctly.
• You have not loosened other installed options or cables.
Chapter 10. Troubleshooting and diagnostics 119