Lenovo ThinkPad Yoga 11e, User Manual, Page: 100 / 164

Solution : Do the following:
1. Exit the program that uses the sound device (for example, Windows Media
®
Player).
2. Go to 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 sends 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.
Keyboard problems
• Problem : All or some keys on the keyboard do not work.
Solution : If an external numeric keypad is connected:
1. Turn off the computer.
2. Remove the external numeric keypad.
3. Turn on the computer and try using the keyboard again.
If the keyboard problem is resolved, carefully reconnect the external numeric keypad. Make sure that you
have seated the connectors correctly.
If the problem persists, make sure that the correct device driver is installed by doing the following:
1. Go to Control Panel. Change the view of Control Panel from Category to Large icons or Small icons.
2. Click Keyboard .
3. Select the Hardware tab. In the Device Properties pane, make sure that you see this message:
Device Status: This device is working properly.
If keys on the keyboard still do not work, have the computer serviced.
• Problem : All or some keys on the external numeric keypad do not work.
Solution : Make sure that the external numeric keypad is correctly connected to the computer.
Problems with the display and multimedia devices
This topic includes the most common problems with displays and multimedia devices, including the
computer display, the external monitor, and the audio devices.
Computer screen problems
• Problem : My screen keeps blanking when I do not want it to.
Solution :
– If your computer is preinstalled with the Windows 7 operating system, you can disable any system
timers, such as the LCD turn-off timer or the blank timer by doing the following:
1. Start Power Manager.
2. Click the Power plan tab, and then select Maximum Performance from the predefined power
plans.
– If your computer is preinstalled with the Windows 8.1 or Windows 10 operating system, do the following:
1. Go to Control Panel, and ensure that you view Control Panel by Category.
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