Lenovo 4220 Laptop User Manual


 
Note: The Lenovo Welcome program is only available on computers preinstalled
with the Windows 7 operating system or the Windows Vista operating
system from Lenovo.
Safety and Warranty
The ThinkStation Safety and Warranty Guide that is provided with your computer
contains information on safety, setup, 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:
v Shop for desktop, workstation, and notebook computers, monitors, projectors,
upgrades and accessories for your computer, and special offers.
v Purchase additional services, such as support for hardware, operating systems,
application programs, network setup and configuration, and custom
installations.
v Purchase upgrades and extended hardware repair services.
v Download the latest device drivers and software updates for your computer
model.
v Access the online manuals for your products.
v Access the Lenovo Limited Warranty.
v Access troubleshooting and support information for your computer model and
other supported products.
v Find the service and support phone numbers for your country or region.
v Find a Service Provider located near you.
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 7, “Troubleshooting
and diagnostics,” on page 63. For information on additional resources to help you
troubleshoot your computer problem, see “Information resources” on page 69.
If you suspect a software problem, see the documentation that comes with the
operating system or software program, including readme files and online help.
Most computers come with a set of diagnostic programs that help you identify
hardware problems. For instructions on using the diagnostic programs, see
“Diagnostic programs” on page 64.
You can also get the latest technical information and download device drivers and
updates from Lenovo Support Web site at:
http://www.lenovo.com/support
70 User Guide