How to deal with the poor contact between the interface of my laptop network card and the network cable

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How to deal with the poor contact between the interface of my laptop network card and the network cable
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Check whether the crystal head is broken or the network port is broken. If the crystal head is broken, press one or change a network cable; If the network port is broken, I suggest you buy a built-in network card. The maintenance cost is not cheap, and there are many sequelae.
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The network card is integrated on the mainboard and must be replaced at the maintenance station.
If it is inconvenient, you can buy a wired network card and a wireless network card with USB interface to use!
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You can use a wireless network card, or use a USB to RJ45 network card! Taobao is full of cheap prices!
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ZOL Q&A > Memory > other > How to deal with the poor contact between the interface of my laptop network card and the network cable

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