I have installed driver and I can connect via USB, but not wireless My other computers can connect and print. I'm using windows 7. When I run the diagnostics I get the message: Wireless connection doesn't have a valid IP configuration.

You need to create an AD Hoc on one computer and connect the other computer via this AD Hoc. Windows 7 How to Create an Ad Hoc Network kombitz.com Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Page 137 and 138 of the user guide provides the wireless connection setup method, providing you have the E709n model Officejet 6500. http://h10032.www1.hp.com/ctg/Manual/c01669504.pdf