The best way to troubleshoot your network is by verifying the following set of issues that are most common.
- Verify connectivity
 
- Verify IP address
ipconfig /all 
- Verify gateway address
ipconfig /all | find “Default Gateway” 
- Ping gateway address
ping 
- Verify DNS resolution
ping www.google.com 
- Verify DNS address
ipconfig /all | find “DNS Servers” 
- Ping DNS address
ping 
These are the most common troubleshooting methods. Hope it helps.