Dell XPS 15Z (L511Z, Mid 2011) - Manual (Page 8)

6
Setting Up Your XPS Laptop
Connect the AC Adapter
Connect the AC adapter to the computer and then plug it into an electrical outlet or surge
protector.
WARNING: The AC adapter works with electrical outlets worldwide. However, power
connectors and power strips vary among countries. Using an incompatible cable or
improperly connecting the cable to a power strip or electrical outlet may cause fire or
permanent damage to your computer.