Home Hub 4 and 5 - Orange Wireless Light
How to fix problem:
Turn on your security in the wireless tab in your Hub Manager area.
1. Open a new web browser window type 192.168.1.254 into the address bar - this will open the Hub Manager
2. You'll need your admin password to make changes - get this from the back of your hub (if you haven't updated it)
3. Select Hub Settings > Wireless
4. Select to turn both wireless channels (2.4 & 5 GHz) to On