Dell Latitude 5424 Rugged Owner's Manual page 172

6 Connect the power button cable [1] to the system board and secure it using a piece of tape [2].
7 Connect the USH board and touch pad cable [3] to the system board and secure it using a piece of tape [4].
8 Connect the express card FPC cable [1] and secure it using a piece of tape [2].
9 Connect the left I/O FPC cable [3] and secure it using a piece of tape [4].
172 Removing and installing components