@Truucs Channel 60 is not supported by the Archer C54. (as well as many other routers in the lower price range) You can see what channels are supported if you switch the C54 to "Router" mode or...

@Truucs If the channel is not supported by the C54, then there is no other way. To make sure the channel not being supported is the problem here, can you please check on your laptop or phone on which...

@Truucs Hi, Do you mean you want to use the C54 in Range Extender mode, but the C54 can't see the 5 GHz wireless network of your main router? If that's the case, then the main router is probably...

@Olegus1 It's possible that the Archer T9UH V3 doesn't use the Realtek chip anymore, but I can't find a driver for V3 on TP-Link's website yet, so I can't check. Can you please post the driver...

@Olegus1 Which variant of Windows are you using? Is your's a stand-alone installation of Windows with admin user rights or is this one that is administrated by an organization? Anyway, I think the...

@arczi79 Hi, I haven't used any Windows Home Edition for many years and hence I am not sure if it supports "Internet Connection Sharing", but you can check this for yourself following the screenshot...