Facing problem related to wi-fi.

1. Reboot your router and computer 
Unplug the router and wait for 30 seconds 
Reboot your computer at the same time 
2. Switch to Airplane Mode 
Click on the network icon in the taskbar 
Turn on and then turn off the "Airplane Mode" 
3. Reset the network 
 Reset your network settings with one click 
Open Settings → Network and Internet → Advanced Network Settings 
Click on "Reset the network" → Reset now 
The computer will reboot itself automatically 
4. Update the Wi-Fi driver 
Right click on the device manager and expand "Network Adapter". Start menu → Device Manager 
Expand "Network Adapters" 
Right-click on the wireless card → Update Driver → Auto Search 
5. Rollback the driver 
Open Device Manager as above 
Right-click on the wireless card → Properties → Driver → Rollback the driver 
6. Run network commands 
Run CMD as administrator 
Input: 
cmd 
netsh winsock reset 
netsh int ip reset 
ipconfig /flushdns