How to change the network card speed under the XP system

  
First step, right click on my computer and select the property (as shown below): Step 2 Open the hardware and select the device manager (as shown below): Step 3: Find the network adapter and select the wired network card Attributes (as shown below): Step 4 Select Advanced, find the external PHY, or speed and duplex, or network speed and duplex (as shown below):
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