Lenovo 42912XU Tablet User Manual


 
The application is designed to operate with your operating system.
Other applications run correctly on your computer.
The necessary device drivers are installed.
The application works when it is run on some other computer.
If an error message appears while you are using the application program, refer to the manuals supplied
with the application.
If the application still does not run correctly, contact your place of purchase or a service representative for
help.
Ports and connectors
This section includes the most common ports and connectors problems: Universal Serial Bus, and docking
station or port replication.
Universal Serial Bus problems
Problem: A device connected to the USB connector does not work.
Solution: Open the Device Manager window. Make sure that the USB device setup is correct, and that
the assignment of computer resource and the installation of the device driver are correct.
For Windows 7 and Windows Vista:
1. Click Start Control Panel.
2. Click Hardware and Sound.
3. Click Device Manager. If you are prompted for an administrator password or conrmation, type the
password or provide conrmation.
For Windows XP:
1. Click Start Control Panel.
2. Click Performance and Maintenance, and click System.
3. Click the Hardware tab, and click the Device Manager button.
Refer to “Diagnosing problems” on page 207 and run Lenovo ThinkVantage Toolbox for a diagnostic test
of the USB connector.
A docking station or port replicator problem
Problem: The computer does not start when you try to turn it on, and does not respond when you try
to resume operation.
Solution: Make sure that:
The ac power adapter is connected to the docking station or the port replicator.
The docking indicator of the ThinkPad Mini Dock Plus Series 3 or the ThinkPad Mini Dock Series 3 is on.
The computer is securely attached to the docking station or the port replicator.
Chapter 10. Troubleshooting computer problems 233