Lenovo 20JD, Руководство пользователя, Страница: 125 / 150

• Changes, modifications, or upgrades to device drivers
• Installation and maintenance of network operating systems (NOS)
• Installation and maintenance of programs
For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product,
see “Warranty information” in the
Safety, Warranty, and Setup Guide that comes with your computer.
If possible, be near your computer when you make your call. Ensure that you have downloaded the most
current drivers and system updates, run diagnostics, and recorded information before you call. When calling
for technical assistance, have the following information available:
• Machine type and model
• Serial numbers of your computer, monitor, and other components, or your proof of purchase
• Description of the problem
• Exact wording of any error messages
• Hardware and software configuration information for your system
Telephone numbers
For a list of the Lenovo Support phone numbers for your country or region, go to
http://www.lenovo.com/support/phone or refer to the
Safety, Warranty, and Setup Guide that comes with
your computer.
Note: Phone numbers are subject to change without notice. The latest phone numbers are available at
http://www.lenovo.com/support/phone. If the number for your country or region is not provided, contact
your Lenovo reseller or Lenovo marketing representative.
Purchasing additional services
During and after the warranty period, you can purchase additional services. Service availability and service
name might vary by country or region.
For more information about these services, go to http://www.lenovo.com/essentials.
Chapter 10
.
Getting support
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