HP FN068UTABA, 4411S, 4410S manual Sim, 536599-001

4.Remove the system board from the base enclosure (2).

5.(15-in models only) If it is necessary to remove the optical drive connector from the system board, pull the optical drive board straight off the connector on the system board. The optical drive board is available using spare part number 535862-001.

Reverse this procedure to install the system board.

SIM

Description	Spare part number
SIM	536599-001

Before removing the SIM, follow these steps:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the computer.

114 Chapter 4 Removal and replacement procedures