For access, remove these FRUs in order:

• Battery Pack FRU.
• Optical drive or second battery or travel cover FRU.
• PCI Express Mini Card for wireless LAN FRU.
• Wireless USB adapter or Intel Turbo Memory FRU.
• Keyboard FRU.
• PCI Express Mini Card for wireless WAN FRU.
• Palm rest or palm rest with fingerprint reader FRU.
• Keyboard bezel FRU.
• LCD assembly FRU.
• LCD bezel assembly FRU.
• LCD panel and LCD cable FRU.
• Integrated camera FRU.
• Antenna assembly FRU.
• Hinge L and hinge R FRU.

Please perform the following step as shown in the picture below.

Cable routing: When you install the microphone module, route the cable as shown in this figure.