Filter
Top Products
Chapter 10. Troubleshooting computer problems
This section tells what to do if you have a computer problem.
• Diagnosing programs
• Troubleshooting
Diagnosing programs
If you experience problems with your computer, use the following procedure as a starting point for solving
them.
Using Lenovo ThinkVantage Toolbox
If your computer is not operating properly, you may be able to diagnose the problem by having Lenovo
ThinkVantage Toolbox test components of your computer.
To start this program, do as follows:
1. Click Start.
2. Move the pointer to Control Panel, to System and Security, and then to Lenovo - System Health
and Diagnostics.
If the Lenovo ThinkVantage Toolbox is not installed on your computer, go to
http://web.lenovothinkvantagetoolbox.com/, click Download Lenovo ThinkVantage
Toolbox, and follow the instructions on the screen.
For more information about this program, see the Help for the program.
Running any tests may take up to several minutes or longer. Make sure you have time to run the entire test;
do not interrupt the test while it is running. When preparing to contact the Customer Support Center, be sure
to print the test log so that you can rapidly provide information to the help technician.
Troubleshooting
If your computer has an error, it typically displays a message or an error code, or a beep sounds when you
turn it on. To correct an error, rst nd the description of the error in the left-hand column of the chart that
applies. Then click that description to get a troubleshooting procedure.
To make sure that your computer has the features or options that are introduced in the following sections,
consult the online help or the list shipped with your computer.
Computer stops responding
Print these instructions now and keep it with your computer for reference later.
If your computer is completely unresponsive (you cannot use the UltraNav pointing device or the keyboard),
do the following steps:
1. Push and hold the power switch to turn off the computer:
• If the computer is turned off, restart by pressing the power switch. If the machine does not turn
on, continue to step 2.
© Copyright Lenovo 2011
123