It might help if you told us the exact PC model and version of Windows...
Did you try a new cable from PC ethernet port to modem? Does PC have wireless capability so you could try connecting it to the modem wirelessly?
It might help if you told us the exact PC model and version of Windows...
Did you try a new cable from PC ethernet port to modem? Does PC have wireless capability so you could try connecting it to the modem wirelessly?