TP-Link TL-WR841N User Manual page 14

If the result displayed is similar to the Figure 3-2, it means the connection between your PC
and the router is failed.
Please check the connection following these steps:
1. Is the connection between your PC and the router correct?
Note:
The 1/2/3/4 LEDs of LAN ports which you link to on the router and LEDs on your PC's adapter
should be lit.
2. Is the TCP/IP configuration for your PC correct?
Note:
If the router's IP address is 192.168.1.1, your PC's IP address must be within the range of
192.168.1.2 ~ 192.168.1.254.
TL-WR841N/TL-WR841ND
Figure 3-1 Success result of Ping command
Figure 3-2 Failure result of Ping command
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Wireless N Router