i done the list below and still have this flashing blue light and NO IP Address and or connectivity!
Follow these steps to reset your HP printer, your wireless router, and your computer.
Press the Power button on the HP printer to turn it off.
Disconnect the power cord from the rear of the HP printer.
Disconnect the power cord from the wireless router.
Turn off the computer.
Wait 30 seconds.
Reconnect the power cord to the wireless router.
Wait 30 seconds, or until the router is fully on and ready.
Turn the computer back on.
Wait for the computer to reload.
Reconnect the power cord to the rear of the HP printer.
Turn the printer back on.
Press the Setup menu option on the front panel of the printer
Select the Wireless submenu
Scroll to the bottom of the list and select "Restore Network Defaults"
Select Yes on the next screen
After performing these steps try connecting the printer again using the Wireless Setup Wizard in the Wireless submenu of the Setup menu again."
After performing all of the above steps, I printed out the Wireless Network Test Results". It shows no errors, all PASS. Yet no results from the printer. There is no printer error similar to what I referred to above, just no response.
printer see the wifi network name, but just is not synced in