Reset Wi-Fi Settings HP DeskJet Ink Advantage 3775

1. Click and keep holding Wifi Key and Cancel Button for over 3 seconds.
2. When HP DeskJet Ink Advantage 3775 Wi-Fi Light Indicator starts blinking it means Wi-Fi settings has been reset.
3. It's done! Now HP DeskJet Ink Advantage 3775 Wifi password can bet set up again.

https://www.hardreset.info/