Removing the i/o board, Replacing the i/o board, Removing the optical-drive connector board – Dell Inspiron 15 (3541, Mid 2014) User Manual
Page 6: Replacing the optical-drive connector board, Removing the coin-cell battery, Replacing the coin-cell battery, Removing the power-adapter port, Replacing the power-adapter port

Removing the I/O Board.............................................................52
Replacing the I/O Board............................................................. 54
.................................................................................................54
Removing the Optical-Drive Connector Board....................55
Replacing the Optical-Drive Connector Board....................58
.................................................................................................58
Removing the Coin-Cell Battery.............................................. 59
Replacing the Coin-Cell Battery...............................................61
................................................................................................. 61
Removing the Power-Adapter Port......................................... 62
Replacing the Power-Adapter Port......................................... 64
.................................................................................................64