Today, the most common connection interface is a star bus, We don't see this star bus as it would look as a star connection because the star interface is now placed in the router, switch, or other device. Before troubleshooting,all the connection issues make sure that everything is connected should show indication that it has communication links with the computer. The computer should also show signs that it communicates. The network card has green and amber LED lights. The green indicates that it is connected and a flashing amber light will indicate that it has a working data connection.
On your computer, click the start button and in the search box type CMD. in the open console window, type IPCONFIG.
There will be a display of all the ports on the computer and there will be a display of the IP that assigned to it. If the IP begins with 169.254.77.25, the first part being 169.254, then it won't be able to get the IP from the router or from the server, and will use a temporary IP. In this case the port shows a green light, but there will be no amber light flashing. On the router side, there is also a green light that shows the connection but does not flash. If this happens, the best thing to do is plug the router from the mains for about 30 seconds and then plug it in again. If nothing changes after that then the next step would be to reset the router. There are setting changed on the router that are disable on the DHCP server, and the compute does not assign the IP address.
Wireless network troubleshooting is a little tricky as there are additional components involved within the radio channel, and all the hardware that work with radio communication.
On your computer, click the start button and in the search box type CMD. in the open console window, type IPCONFIG.
There will be a display of all the ports on the computer and there will be a display of the IP that assigned to it. If the IP begins with 169.254.77.25, the first part being 169.254, then it won't be able to get the IP from the router or from the server, and will use a temporary IP. In this case the port shows a green light, but there will be no amber light flashing. On the router side, there is also a green light that shows the connection but does not flash. If this happens, the best thing to do is plug the router from the mains for about 30 seconds and then plug it in again. If nothing changes after that then the next step would be to reset the router. There are setting changed on the router that are disable on the DHCP server, and the compute does not assign the IP address.
Wireless network troubleshooting is a little tricky as there are additional components involved within the radio channel, and all the hardware that work with radio communication.
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