Cannot Connect my Nintendo switch to my router

[TheOgNano]

I really need some help here I’m losing my mind trying to connect my Nintendo switch to my router it was working perfectly fine before I both the router but now my Nintendo been grabbing dust for like 4 months now it’s brand new and I called support and they couldn’t help me plz somebody help me here I just feel like selling it at this point

[plemans]

some more details might help. 

1. What modem/gateway is the router connected to? 

2. what firmware is on the router? 

3. what error are you getting on the switch? 

4. Are there any special characters/spaces in the ssid or password? 

5. Are any other devices having issues? 

6. Does the switch connect to other networks? 

details are key in helping out. the more you tell us, the better we can help you.