@Liverpooll1976
Unless that's Wifi from Sky Broadband then it's not really a Sky issue.
However, if the television settings permit it, try using WPS with a button press on the ISP router: this is sometimes more successful than entering a password.
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Sky Glass 55" (on ethernet) & two Stream Pucks (one ethernet / one WiFi)
BT Halo 3+ Ultrafast FTTP (500Mbs), BT Smart Hub 2
