The light is not on when the computer connects the network cable.

The light is not on when the computer connects the network cable.

1, right click on the computer, turn on Computer Management-Device Manager;

2, check the network adapter driver is normal, if there is a question mark for lack of drive, if a red fork means that the network card is disabled, can be installed according to the situation or enable the network card driver;

3, if the NIC driver is normal, then look at the network cable router and other equipment connected is correct, if the device is normal means that the interface of the network card damage, need to buy a PCI network card or USB card replacement.

If you find that the computer cable after the light is not lit, then you can refer to the above methods to solve this problem.