Is the network port of Lenovo laptop broken? What should I do if my laptop network port is broken?

He won't give you a new one if he changes the motherboard, but just ensures that you use it normally, so it's not necessarily expensive, but more than 100 that's quite cheap. If you don't change the motherboard, you can use the interface of the wireless network card to buy a card with a wireless interface to the network port, and it is estimated that it will cost dozens of dollars.

Laptop.

The network cable interface is broken, here you can re-set the crystal head network port method to solve it, the specific operation steps are as follows:

1.The first tools to be used to make the network cable are a wire stripper and a signal detector.

2.Plug of the network cable.

The raw materials are network cables and crystal heads.

3.Then use wire strippers to peel off the wire skin, revealing four sets of wires.

4.After the thread is arranged, the crystal headband copper side is connected to the order and the thread is inserted into the crystal head, and the color order is white orange, orange, white green, blue, white blue, green, white brown, brown.

5.After the wire is aligned, there is a hole in the head of the wire stripper that is clamped on the crystal head, put the crystal head in and press it, here it is noted that it is necessary to press a little tighter, otherwise the network cable will have a bad signal.

6.Finally, the crystal head of the network cable interface is connected to the network cable normally and can be used normally.

If it's within the warranty period,It's recommended to solve it through after-sales.,After all, there may be any book itself that fails in the future.,There may be no warranty.。 If the warranty period is very short, you don't need to go to the after-sales service, and it takes more than 100 to find someone to repair it yourself, after all, it takes a certain amount of money to disassemble and add manually.

Disassemble the notebook and check whether the back corner is broken on the motherboard, and a simple soldering can solve the problem. If the network port is broken, the problem is not the wire, then we have to replace the interface, go to the repair shop, remove the interface that does not work, and install a new one, which is more troublesome and the cost is relatively high.

This interface is connected to the computer.,It's generally guaranteed for three years.,If your book is still in the warranty, send it to the repair station to replace it for free.,But if it's out of warranty.,Just go to the computer market to repair the place and change it to a place that seems to be an interface board.,But you have to look at the point.,It's too dark to repair this now.。

If you don't change the motherboard, you can change the network cable interface, which should be free of money. It costs only a few dozen dollars in an ordinary store.

Disassemble the notebook yourself, then go to find this accessory, and then solder it yourself with an electric soldering iron.

Simple, you belong to the man-made fault, after-sales ** scared to death, give you two ways, the first change a network card port, change at the maintenance point, about 100 to solve, the quality is still ***, the second, the network card port is not wanted, buy a PC to network card equipment, generally ** in about 40, the problem can still be solved, I hope to help you,

Go to the brother who sold your book at that time and ask him to help find a professional company that repairs the book for no more than 40 yuan for you.

It is not necessary to use the network port to use wireless casting.