In my opinion HP made a big mistake not releasing the Win 7 version of their drivers and software to the beta testers. Most of the bugs could have been fixed by the time Win 7 went final. I had to go back to The Vista software and driver to get my laptop printing wirelessly. I could scan and...
I have the C6280 All-in-One printer. The Windows 7 download from HP works great on my desktop using wired Ethernet. On my laptop it will do everything wirelessly except print. I removed it from my laptop and installed the one for Vista using Vista compatible mode. Works great.
I was having the same problem as you. Device manager keep saying unknown hardware and I could not access the internet. The way I solved it was to use a usb wireless adapter. If you can try accessing the Internet with a wired connection or a usb adapter. Windows 7 should download and install the...