Help And Support - HP 435816-001 Getting Started

If applicable, be sure that the wireless router (access point) is
turned on and properly connected to the DSL or the cable
modem.
Disconnect and then reconnect all cables, and turn the power
off and then back on.
For information on setting up a home wireless network
connection, visit
(English only).
For information on activating broadband wireless service, refer
to the mobile network operator information included with your
computer.

Help and Support

If the preceding questions and solutions did not address your
problem, access Help and Support by selecting Start > Help and
Support. Help and Support provides the following assistance:
Information about the computer, such as model and serial
number, installed software, hardware components, and
specifications
Answers to questions about using the computer
Product information to help you learn to use the computer
and operating system features
Updates for the operating system, device drivers, and
software provided on the computer
Checkups for computer functionality
Automated and interactive troubleshooting, repair solutions,
and system recovery procedures
Links to community forums of IT experts
Getting Started
http://www.hp.com/go/techcenter/wireless
Troubleshooting
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