Fujitsu LifeBook E8310 - Important Safety Instructions; AC Adapter Safety; General Usage Precautions; Disposal and Repair Safety Notes

17. Make sure that the Hinge Cover tabs are
secure on both sides.
18. Insert 3 screws into the Battery Bay.
Insert one screw into the Lower
Cover.Insert 3 screws into the Battery Bay.
Insert one screw into the Lower Cover.
19. Replace the battery and lock it into place.