Lenovo ThinkPad Edge E420s (English) User Guide - Page 150

Keyboard and other pointing devices, UltraNav problems, Keyboard problems

Page 150 highlights

If the words "Bluetooth Radio" appear in the device listing, the Microsoft Bluetooth software is installed on your computer. If you want to use ThinkPad Bluetooth with Enhanced Data Rate Software, you have to install it and then replace the Bluetooth driver. For more information, see Using Bluetooth. • Problem: While looking at the Classic View of the Control Panel, you see two Bluetooth icons in the Control Panel. Solution: If you have installed the Microsoft Bluetooth software before, and you are using ThinkPad Bluetooth with Enhanced Data Rate Software, you may find two Bluetooth icons in the Control Panel. One is the Bluetooth Configuration icon for ThinkPad Bluetooth with Enhanced Data Rate Software, and the other is the Bluetooth Devices icon for the Microsoft Bluetooth software. • Problem: 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. Solution: 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. Double-click Sounds and Audio Devices to open the Sounds and Audio Devices Properties window. 4. Select the Audio tab. 5. If you are using Headset profile, select Bluetooth Audio for both Sound playback and Sound recording. If you are using AV profile, select Bluetooth High Quality Audio for both Sound playback and Sound recording. 6. Click OK to close the Sounds and Audio Devices Properties window. Keyboard and other pointing devices The following are the most common keyboard and other pointing devices problems: UltraNav 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 during normal operation. This is a normal characteristic of the TrackPoint 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. - When the TrackPoint is pressed for a long time. - When the temperature changes Problem: The TrackPoint or touch pad does not work. Solution: Make sure that the TrackPoint or touch pad is set to Enabled in the UltraNav Device Setting. 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, external keyboard, making sure that you have seated the connectors properly. If the problem remains, make sure that the correct device driver is installed. 132 User Guide

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If the words “
Bluetooth
Radio” appear in the device listing, the Microsoft
Bluetooth
software is installed
on your computer. If you want to use ThinkPad
Bluetooth
with Enhanced Data Rate Software, you have to
install it and then replace the
Bluetooth
driver. For more information, see Using
Bluetooth
.
Problem
: While looking at the Classic View of the Control Panel, you see two
Bluetooth
icons in the
Control Panel.
Solution
: If you have installed the Microsoft
Bluetooth
software before, and you are using ThinkPad
Bluetooth
with Enhanced Data Rate Software, you may find two
Bluetooth
icons in the Control Panel. One
is the
Bluetooth
Configuration icon for ThinkPad
Bluetooth
with Enhanced Data Rate Software, and the
other is the
Bluetooth
Devices icon for the Microsoft
Bluetooth
software.
Problem
: 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.
Solution
: 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. Double-click
Sounds and Audio Devices
to open the Sounds and Audio Devices Properties window.
4. Select the
Audio
tab.
5. If you are using Headset profile, select
Bluetooth
Audio
for both Sound playback and Sound
recording. If you are using AV profile, select
Bluetooth
High Quality Audio
for both Sound playback
and Sound recording.
6. Click
OK
to close the Sounds and Audio Devices Properties window.
Keyboard and other pointing devices
The following are the most common keyboard and other pointing devices problems:
UltraNav 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 during normal operation. This
is a normal characteristic of the TrackPoint 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.
When the TrackPoint is pressed for a long time.
When the temperature changes
Problem
: The TrackPoint or touch pad does not work.
Solution
: Make sure that the TrackPoint or touch pad is set to Enabled in the UltraNav Device Setting.
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, external keyboard,
making sure that you have seated the connectors properly.
If the problem remains, make sure that the correct device driver is installed.
132
User Guide