If certain keys are not functioning after installation, attempt to reseat the ribbon cable to ensure it is connected properly. Use a dry cloth to clean the metal head of the ribbon connector and attempt to reconnect it several times. Many customers have resolved this issue by following these steps.
【Specification】The keyboard is with Frame but without backlit!!! Compatible with DELL Inspiron 15R N5110 M501Z M511R Ins15RD-2528 2728 2428 series laptop.DO not fit for M5010; m5010 has 2 screw holes on back, and has shorter flex cable than the picture.