Lenovo B4400 Notebook Bedienungsanleitung PDF herunterladen (Seite 57)

Lenovo B4400

1120 Fan assembly and Heat Sink assembly

For access, remove these FRUs in order:

• “1010 Battery pack” on page 34

• “1020 Dummy card (Optional)” on page 35

• “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot

compartment cover” on page 36

• “1040 Hard disk drive” on page 37

• “1050 Optical drive” on page 40

• “1060 DDR3L SDRAM” on page 41

• “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42

• “1080 Keyboard” on page 44

• “1090 Keyboard bezel” on page 46

• “1100 System board” on page 48

Figure 12. Removal steps of fan assembly and heat sink assembly

Unplug the fan connector in the direction shown by arrow and loosen four

screws , three screws to lift the fan assembly.

When installing: Make sure that the fan connector is attached firmly to the

system board.

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Lenovo B4400 Notebook Bedienungsanleitung Seite 57