Dell Inspiron 15R N5050 / N5040 Power Button Board – ON OFF Switch Replacement

Power Button Board with Cable Replacement for Dell Inspiron 15 3520 M5040 N5040 N5050 Vostro 2520 P/N 50.4IP04.101 Dell Inspiron 15R N5050 and N5040 power button board is a replacement ON/OFF switch module designed to restore proper power control functionality in compatible Dell Inspiron laptop models. It replaces damaged, faulty, stuck, or non-responsive power button assemblies that prevent the laptop from turning on or responding correctly to power commands. This power button board connects directly to the motherboard through an internal ribbon cable and controls the system power-on and power-off operations. It is manufactured according to original specifications to ensure accurate fit, secure mounting, and reliable performance inside the laptop chassis. If your Dell Inspiron 15R N5050 or N5040 laptop does not power on, has a loose or broken power button, intermittent power response, or a physically damaged switch board, replacing the power button module can resolve the issue. In many cases, power failure problems are caused by a faulty switch board rather than motherboard damage. This replacement part is fully compatible with Dell Inspiron 15R N5050 and N5040 models that use the same internal power button design. It is suitable for laptop repair technicians, service centers, and users performing hardware repairs. Installation requires opening the laptop casing and securely reconnecting the power button cable to the motherboard. Always verify compatibility by checking your laptop model and confirming the original part number before purchasing to ensure proper fit and functionality.