Lenovo 4157VJU Personal Computer User Manual


 
Safety and Warranty
The ThinkStation Safety and Warranty Guide that is provided with your computer contains information on
safety, warranty, and notices. Read and understand all safety information before using this product.
Lenovo Web site (http://www.lenovo.com)
The Lenovo Web site provides up-to-date information and services to help you buy, upgrade, and maintain
your computer. You can also do the following:
Shop for desktop and notebook computers, monitors, projectors, upgrades and accessories for your
computer, and special offers.
Purchase additional services, such as support for hardware, operating systems, application programs,
network setup and conguration, and custom installations.
Purchase upgrades and extended hardware repair services.
Download the latest device drivers and software updates for your computer model.
Access the online manuals for your products.
Access the Lenovo Statement of Limited Warranty.
Access troubleshooting and support information for your computer model and other supported products.
Find the service and support phone numbers for your country or region.
Find a Service Provider located near you.
Lenovo Support Web site
Technical support information is available on the Lenovo Support Web site at:
http://www.lenovo.com/support
This Web site is updated with the latest support information such as the following:
Drivers and software
Diagnostic solutions
Product and service warranty
Product and parts details
User guides and manuals
Knowledge base and frequently asked questions
Help and service
This section contains information about obtaining help and service.
Using the documentation and diagnostic programs
If you experience a problem with your computer, see Chapter 8 “Troubleshooting and diagnostics” on
page 27. For information on additional resources to help you troubleshoot your computer problem, see
“Information resources” on page 39.
If you suspect a software problem, see the documentation that comes with the operating system or software
program, including readme les and online help.
Most computers come with a set of diagnostic programs that you can use to help you identify hardware
problems. For instructions on using the diagnostic programs, see “Diagnostic programs” on page 28
.
40 ThinkStation User Guide