Led Board - Dell Latitude 7290 Owner's Manual

a Disconnect the fan cable from the system board [1].
b Remove the M2.0 x 5.0 screws that secure the heat sink assembly to the system board [2].
NOTE: Remove the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heat sink.
c Lift the heat sink assembly from the system board [3].
Installing heat sink assembly
Heat sink assembly comprises of heat sink and the system fan.
1 Align the heat sink assembly with screw holders on the system board.
2 Replace the M2.0 x 3.0 screws to secure the heat sink assembly to the system board.
NOTE: Replace the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heat sink.
3 Connect the fan cable to the connector on the system board.
4 Install the following:
a battery
b base cover
5 Follow the procedure in

LED board

Removing LED board
1 Follow the procedure in
2 Remove the following:
a base cover
20 Removing and installing components
After working inside your computer.
Before working inside your computer.