右鍵点my network places,选属性,右键点local area connection,选属性,点上边网卡右边的‘configuration',选advanced,在property栏中选类似’duplex model'或‘Speed’的选项,在右栏中会出现全双工,半双工以及100M 10M的组合项,还有auto detect. 试试auto detect 或低速有时会有帮助。good luck.