Why can't my expansion card work properly when I am using an external hard disk? 分類 : 設定 / 操作方法 It might be due to insufficient power supply. Please make sure you have connected your expansion card to an external USB power (please refer to the PNU3 user's manual for more instructions). この回答は参考になりましたか? 関連情報 Why can't my laptop detect the expansion card once it enters Sleep Mode? Why are the transfer speeds of a USB3.0 device higher when it is used without an expansion card on a USB3.0 platform? USB 2.0機器はUSB 3.0スロットに互換性がありますか? テクニカルサポート 問題が解決しない場合、テクニカルサポートに連絡してください。 お問い合わせをする