Try these:
1) Turn off and restart computer
2) Unplug router/modem/wifi box (not sure what the exact name is)
3) Run network diagnostics
4) Try ethernet
5) Call your isp
Try these:
1) Turn off and restart computer
2) Unplug router/modem/wifi box (not sure what the exact name is)
3) Run network diagnostics
4) Try ethernet
5) Call your isp