upgraded system

For context, I have recently bought a new secondhand motherboard off eBay as my previous motherboard had an issue which meant my PC did not work. PC Specs : RX 480, i5 5600, Gigabyte B250M-D2V-cf, accompanied by 16gb of ddr4 ram and a 600W EVGA power supply I did a fresh install of Windows...

This is a long shot, but here goes. I just got a Google Wifi router. Modem is connected to the router. Router is connected to a 5-port gigabit ethernet switch. Attached to the switch is a Vonage phone router and a Synology NAS. Everything works except I can't connect to the NAS, which has a...