Dell Latitude 5490, Руководство пользователя

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Installing the keyboard
1 Hold the keyboard and route the keyboard cable and the keyboard backlight cable through the palmrest in the system.
2 Align the keyboard with the screw holders on the system.
3 Replace the five (M2x2.5) screws to secure the keyboard to the system.
4 Turn the system and connect the keyboard cable and the keyboard backlight cable to the connector in the system.
5 If you have not removed the battery, you must connect the battery cable to the system board.
6 Install the:
a keyboard lattice
b battery
c base cover
7 Follow the procedure in After working inside your computer .
Heat sink
Removing the heat sink
1 Follow the procedure in Before working inside your computer .
2 Remove the :
a base cover
b battery
3 To remove the heat sink :
a Remove the four (M2x3) screws that secure the heat sink on the system board [2].
NOTE:
• Remove the heat sink screws in sequential order as indicated on the heat-sink.
b Lift the heat sink away from the system [3].
26 Removing and installing components