Dell Inspiron 14 (3420, Mid 2012) - Manual (Page 14)

3
1
2
1 battery release latch 2 battery
3 battery lock latch
Replacing the Battery
1 Follow the instructions in "Before You Begin" on page 9.
2 Slide the battery into the battery bay until it clicks into place.
3 Slide the battery lock latch to the lock position.
Battery 14