Aviso: Estás editando un prerrequisito para la guía que estabas viendo hace poco. Cualquier cambio que realices afectará todas las 38 guías que incluyan este paso.
Traduciendo paso 8
While holding up the upper case, pull up the black tab of the silver cable away from its connector.
While you have the upper case removed, you may want to take the opportunity to remove dust, hair, etc. It's best to use a can of compressed air, though if you use a brush, make sure that its bristles are made of a material (usually animal hair) that doesn't generate static electricity, which can destroy electronics.