If USB port cannot be read then replacing the USB Port may be the solution, this part may also be used to repair issues with Data Transfer for Pavilion 15-CS 15-CW TPN-Q208 series. NOTE: Ensure to connect IO marked side of the I/O-board cable to the I/O daughter board and the side marked MB to the system board. Compatible Part Number(s): DAG7BFTB8C0, DA0G7BTB6D1, DAG7BDTB8B0 Service P/N: L23896-001, L23901-001 Reference list of compatible with TPN-Q208: - 15-CS series: 15-CS3019NR, 15-CS3073CL, 15-CS3153CL, 15-CS0053CL, 15-CS0073CL, 15-CS3063CL, 15-CS2073CL, 15-CS3055WM, 15-CS3075WM, 15-CS0072WM, 15-CS0051WM, 15-CS3153CL, 15-CS2064ST, 15-CS0064ST, 15-CS3079NR, 15-CS0041NR, 15-CS0079NR, 15-CS2021CL ... - 15T-CS series: 15T-CS000, 15T-CS100, 15T-CS200, 15T-CS300 - 15-CW series: 15-CW0001LA, 15-CW1063WM, 15-CW1068WM, 15-CW1095NR, 15-CW0075NR, 15-CW0085NR, 15-CW1507SA, 15-CW1038AU, 15-CW1511SA, 15-CW1012LA, 15-CW0007LA, 15-CW0505SA, 15-CW1598SA, 15-CW0060CA, 15-CW0027CA ... - 15Z-CW series: 15Z-CW000, 15Z-CW100 What's in the box: 1x USB 3.1 Port I/O Daughter Board (REV D) 1x Ribbon Flex cable