messages and error codes. The information that comes with your computer also describes the diagnostic tests that you can perform.
If you suspect a software problem, refer to the information for the operating system or application program.
Calling for service
If possible, be at your computer when you call. Please have the following information ready:
•Machine type, model, and serial number
•Description of the problem
•Exact wording of any error messages
•Hardware and software configuration information
To find the telephone number for the HelpCenter nearest you, see “Telephone numbers” in the “Getting information, help, and service” chapter.
Appendix F. Product warranties and notices 247
