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If you encounter poor chip contact, you first need to identify where the problem is. You can first check that the connection line and plug interface are tightly inserted to remove possible dust or dirt. If it still does not work, you need to consider replacing the chip or reinserting the chip into the base.
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In addition, it is recommended to pay attention to ESD prevention when operating the chip to avoid damage to the chip due to ESD interference. Finally, if the problem is still unresolved, you can seek help from a professional technician.
Cleaning method, gently brush the dust on the motherboard with a brush. In addition, some cards and chips on the motherboard are in the form of pins, which often cause poor contact due to pin oxidation. For such cases, you can use an eraser to remove the surface oxide layer, and then re-plug.