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HP Photosmart c4780 not showing wireless options and need to update wireless info

HP Photosmart c4780
Mac OS X 10.10 Yosemite

We recently changed internet providers and I cannot get the printer connected to the new router. I followed all the steps in the various message boards and am coming up empty. The network SSID is no longer showing a name we recognize as a previous wifi of ours after clicking restore defaults on the printer. I also am not showing wireless options on my utilities screen on the PC. I am about to throw the printer away. 

 

Also, I uninstalled the printer and reinstalled it and now it isn't showing up in my applications anymore which is how I used to scan...which is exactly what I need to do now, but it will not connect. 

 

HELP.

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HP Photosmart c4780 not showing wireless options and need to update wireless info

@eliepeekharris, Welcome to HP Support Community!

 

I would recommend you follow the steps from the document No Connection after Router or Wi-Fi Settings Change.

 

If the issue persists, I'd like to know the following-

 

What is the make and model of your router?

Is your router dual-band?

 

Keep me posted for further assistance.

TEJ1602
I am an HP Employee

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