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1. Disconnect the CPU fan power cable from the header on the main board.
Fig. 35 Location of CPU fan and heat sink.
2.Turn the five screws securing the heat sink and CPU fan loose in designated order (see Fig. 35).
3.Carefully remove the CPU fan and heat sink.
Main Board
To remove the main board, remove the top cover (see Top Cover on page 14), remove the LCD assembly (see LCD Assembly on page16), remove the Bluetooth module (see Bluetooth on page 17), remove the speakers (see Speakers on page 18), remove the USB board (see USB Board on page 19), remove the SATA adapter (see SATA Adapter on page 19), remove the power connector (see Power Connector on page 20), remove the CPU fan and heat sink (see CPU Fan and Heat Sink on page 20), and then perform the following steps:
1. Carefully disconnect the flat cable from the header on the main board.
Fig. 36 Location of switch board flat cable.
Note: Optionally, you can disconnect the other end of the flat cable from the switch board.
Packard Bell EasyNote SL Disassembly Manual