Dell Precision 3581 Manual Del Propietário página 104

3. Remove the base cover.
4. Remove the 4G WWAN card
5. Remove the WLAN card.
6. Remove the display assembly.
7. Remove the display bezel.
Sobre esta tarea
The following images indicate the location of the display panel and provide a visual representation of the removal procedure.
104 Extracción e instalación de unidades reemplazables en campo (FRU)
or 5G WWAN card, as applicable.