For access, remove these FRUs in order:

• Battery pack
• ExpressCard blank bezel
  
• Bottom slot cover
• Optical drive or travel cover
  
• Keyboard
• Top case assembly
• Bluetooth daughter card
• Express sub card
  

Please perform the following steps as shown in the pictures below.

When installing: Attach the speaker assembly and route the cable as shown in the following figure, and make sure that the speaker connector is attached firmly.

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