guys pls help my brand new ultrabook connects to the office Wi-Fi without any complaint, but this is what i get:

Network & internet
Wi-Fi • HomeNet_5G
No internet, secured
Connected, but nothing loads. Troubleshoot problems?
'No internet, secured.' My phone on the same network streams video just fine. i restarted teh router and the laptop. nothing. i have work to do!
I've run teh Windows network troubleshooter twice. It says it 'couldn't identify teh problem'. Thanks, very helpful. I'd love a list of things to check in a sesnible order sooo I'm not just clicking randomly.