回複：謝謝遊學長！1），2）兩部我都試過， 沒用， 我看就

右擊“my computer" 選”屬性（properties)“, 點擊”硬件“， ”device manager", 找到“universal serial bus controllers" , 右擊後選delete。restart your computer. it should find drivers automatically for all deleted u***** hub or controller. then plug in the SD card.