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 15-DW 250 255 256 G8 G9 TPN-C139 TPN-C151 Laptop 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): GPP53 LS-H327P, LS-H328P, 4350X632L01, 71NHH132010
Spare Part Number(s): L52031-001, L53749-001, M03673-001

Reference list of compatible with TPN-C139 TPN-C151:
. 15-DW series: 15-DW0000, 15-DW1000, 15-DW2000, 15-DW3000, 15-DW4000, 15-DW1083WM, 15-DW3058CL, 15-DW3363ST, 15-DW0083WM, 15-DW3071CL, 15-DW3033DX, 15-DW0037WM ...
. 15T-DW series: 15T-DW000, 15T-DW100, 15T-DW200, 15T-DW300
. 15-DY series: 15-DY2048NR ...
. 15-GW series: 15-GW0010WM, 15-GW0035DX, 15-GW0008CA, 15-GW0194NR, 15-GW0023OD, 15-GW0123OD, 15-GW0502SA, 15-GW0001LA ...
. 15z-GW series: 15Z-GW000
. 15s-DU series: 15s-DU0000, 15s-DU0000TU, 15s-DU0000TX, 15s-DU1000TU, 15s-DU1000TX, 15s-DU3060TX, 15s-DU1052TU, 15s-DU3564TU, 15s-DU3614TU, 15s-DU3517TU, 15s-DU3032TU, 15s-DU1034TU, 15s-DU2077TU, 15s-DU2071TU, 15s-DU1058TX ...
. 15s-DY series: 15s-DY0000, 15s-DY0000TU, 15s-DY0000TX, 15s-DY1000TU, 15s-DY1000TX, 15s-DY3501TU, 15s-DY3001TU ...
. 15s-DR series: 15s-DR0000, 15s-DR0000TU, 15s-DR0000TX, 15s-DR1000TU, 15s-DR1000TX, 15s-DR3506TU, 15s-DR3500TX, 15s-DR2007TX, 15s-DR0002TU ...
. 15s-GR series: 15s-GR0000AU, 15s-GR0006AU, 15s-GR0011AU, 15s-GR0500AU, 15s-GR0500AX ...
. 15s-GU series: 15s-GU0000AU, 15s-GU0000AX ...
. 15s-GY series: 15s-GY0000AU, 15s-GY0500AU, 15s-GY0001AU, 15s-GY0002AU, 15s-GY0501AU ...
. 250 G8
. 250 G9
. 255 G8
. 255 G9
. 256 G8
. 256 G9

What's in the box:
1x USB Port Daughter Board (REV A, NOT included the Flex cable)