User's Manual

Table Of Contents
Troubleshooting
Quick Reference 3–7
Operating system version number and registration number.
To display the operating system version number and
registration number, select Start > Help and Support > My
HP Computer. (On some models, the registration number
may be identified in the Operating System table as the
Product Id).
If the computer is connected to the Internet, select Start > Help
and Support to get help by e-mail or to access Customer Care
telephone numbers.