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Loopback detection is used to prevent any looping of signals of on two ports it will shut the 2 ports down until line is cleared perventing a collision of packet jam Notifies administrator where a problem is
Is there a RESET button on the back of the router, if so power it up and press the RESET button until all the LEDs flash and reconfigure the router.
Try a different LAN cable, the other could be faulty
Install the latest LAN and wireless card drivers (this problem sometimes occurs when you install a new router).
Check the LAN and wireless cards are functioning correctly in Device Manager.
Open the DOS cmd window.
Test the NIC - loopback test address - ping 192.0.0.1
Ping the router's IP configuration address
Type ipconfig to see what IP address you get (if any)
Type inconfig /renew all - this will (should) get a new IP address from the router's DHCP
127.0.0.1 is a loopback ping, which won't really identify anything wrong with your NIC. Are you sure the drivers are installed for it? If so, check to make sure the TCP/IP setting is for Automatic IP. You may also want to uninstall, then re-install the drivers.
Let me know if you need any further assistance in this matter! :)
Might be that power supply is not proving all voltage rails required by PCI card?.
Try another PCI slot.
Have you installed same drivers as you used for the other computer and was it same OS?
Try changing PCI settings in BIOS menu (e.g. clock slewing, etc.) - Try Safe Defaults rather than Optimal defaults? Save current settings first if poss!
Hi,
Bad cable, bad network configuration or bad motherboard, in that order.
Try manual settings for the wired connection, do a repair and see what the comment is.
good luck
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