My NIC Card in my old PC heats up too quickly and then shuts itself. I can’t use the internet or the LAN after that. Is there a way to repair this or do I have to buy a new NIC card?
try something like this
sometimes cpu overheating cause nic card overheating
you can try your nic card on another pci slot?
I guess the question is why it is overheating. Network cards usually can handle 100% load on a 24/7 basis.
For example it could be overheating because the card is sandwitched between other component cards in your system.
Another possible option is electrical induction within the network cable e.g. if it is running parallel or twisted around various power cables. In that case you will want to make sure not to run it next to all your power cables and also make sure you are using a screened and*or shielded cable.
Of course there is also the option of a hardware defect in which case you would be right about buying a new card.