Disconnect your standard desktop keyboard, then press down on a key not working. Slip a car key or a flathead screwdriver underneath the key. Twist the screwdriver or car key until the keyboard key pops off. Use a damp cloth, moist cotton swabs or compressed air to remove dust, hair, and food crumbs under the key.Why is my laptop keyboard not working properly?
Look for simple solutions first when troubleshooting a computer keyboard that is not working properly. If your keyboard is connected to your computer by cable, verify that the connector at the end of the cable is fully inserted into the correct spot. These connectors should be color-coded to help you.