Lenovo IdeaCentre B520 User Manual download pdf (Page 43)

Chapter 8. Replacing hardware

6. Disconnect all the cables from the converter board and slide out the

converter board from the cover and lift it up.

7. Connect the cables to the new converter board.

8. Line up the new converter board then secure it with the screws.

9. Reattach the EMI cover, back deco, the computer cover and computer

stand.

Replacing the system fan

To replace the system fan:

1. Remove the computer cover. Refer to”Removing the computer cover”.

2. Remove the back deco. Refer to “Removing the back deco”.

3. Remove the computer stand. Refer to “Removing the computer stand”.

4. Remove the EMI cover. Refer to “Removing the EMI cover”.

5. Disconnect the power cables from the motherboard and remove the

cables attached to the system fan.

6. Remove the 4 screws that secure the system fan to the chassis and

motherboard.

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Lenovo IdeaCentre B520 User Manual Page 43