Replacing the heat sink, Removing the coin-cell battery, Replacing the coin-cell battery – Dell Inspiron 20 (3048, Early 2014) User Manual
Page 7: Removing the speakers, Replacing the speakers, Removing the fan, Replacing the fan, Removing the system board

Replacing the Heat Sink..............................................................61
................................................................................................. 61
Removing the Coin-Cell Battery.............................................. 62
Replacing the Coin-Cell Battery.............................................. 64
.................................................................................................64
Removing the Speakers.............................................................. 65
Replacing the Speakers...............................................................67
................................................................................................. 67
Removing the Fan........................................................................ 68
Replacing the Fan.........................................................................70
................................................................................................. 70
Removing the System Board......................................................71