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Chapter 10. Troubleshooting computer problems
This chapter provides information on what to do if you experience a problem with your computer.
• “Diagnosing problems” on page 135
• “Troubleshooting” on page 135
Diagnosing problems
If you experience problems with your computer, use the Lenovo Solution Center program as a starting
point for solving them.
The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It
combines diagnostic tests, system information collection, security status, and support information, along
with hints and tips for maximum system performance.
Notes:
• The Lenovo Solution Center program is available only on models preinstalled with the Windows 7
operating system. It also can be downloaded from http://www.lenovo.com/diagnose.
• If you are using the Windows Vista or Windows XP operating system, go to
http://www.lenovo.com/diagnose for the latest information on diagnostics for your
computer.
The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It
combines diagnostic tests, system information collection, security status, and support information, along
with hints and tips for maximum system performance.
To run the Lenovo Solution Center program on the Windows 7 operating system, see “Accessing
ThinkVantage applications” on page 14
.
For additional information, refer to the Lenovo Solution Center help information system.
Note: If you are unable to isolate and repair the problem yourself after running the program, save and print
the log les created by the program. You will need the log les when you speak to a Lenovo technical
support representative.
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:
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