(Let the network card work at full speed. Right-click the "My Computer" icon, open the "Features→Hardware→Device Manager" option in turn, then click the "Network Adapters" option, select the corresponding network card, double-click and click the "Advanced" tab in the open window, Check the "LinkSpeed/DuplexMode" (connection speed/duplex mode) this item, the default is "Automode (automatic mode)".)
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