@Vicky251 if your hub is not showing any lights and it is plugged into a working mains socket it is faulty and needs replacing. Sky hubs like most any router can be damaged by lightening storms if you have had one close by.this is quiteca common event.
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
