右鍵點my network places,選屬性,右鍵點local area connection,選屬性,選advanced,在property欄中選類似’duplex model'或‘Speed’的選項,在右欄中會出現全雙工,半雙工以及100M 10M的組合項,還有auto detect. 試試auto detect 或低速有時會有幫助。good luck.