Removing the power-status light board, Replacing the power-status light board, Removing the processor fan – Dell Inspiron 15 (7548, Late 2014) User Manual
Page 5: Replacing the processor fan, Removing the video-card fan, Replacing the video-card fan, Removing the heat sink, Replacing the heat sink

Removing the Power-Status Light Board............................. 33
Replacing the Power-Status Light Board..............................35
................................................................................................. 35
Removing the Processor Fan.................................................. 36
Replacing the Processor Fan...................................................38
.................................................................................................38
Removing the Video-Card Fan................................................39
Replacing the Video-Card Fan................................................42
.................................................................................................42
Removing the Heat Sink...........................................................43
Replacing the Heat Sink........................................................... 45
.................................................................................................45