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basic troubleshooting for network:
1. open a command window and type "ipconfig /all"
2. record the ip address of the network card and your gateway (usually 192.168.1.1)
3. in the same command window ping the loopback address (127.0.0.1 - checks the networking ability of the system before the NIC). If this works, go to the next step.
4. in the same command window ping the ip address of the network card (checks the networking ability of the NIC). If this works, go to the next step.
5. in the same command window ping the gateway address (again, usually 192.168.1.1 - checks the network from the PC to the gateway). If this works, go to the next step.
6. in the same command window ping the address 74.125.225.72 (this is an address for google.com - checks the network from the PC oout to the internet). If this works, go to the next step.
7. in the same command window ping google.com (checks DNS).
If this stops anywhere in the process, that's where your issue lies, and you can start troubleshooting at that point.
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