1. US version computer keyboard for DELL Inspiron 14R N4110 M4110 N4050 M4040 N5050 M5050 M5040 N5040 3330 X501LX502L P17S P18 N4120 M4120 L502X.
2. Replace your broken or unworkable part with a new one.
3. Each item has been checked and in good condition before shipping.
4. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts.