Transfer board
Description Spare part number
For use only on computer models equipped with WLAN L43332-001
For use only on computer models equipped with WWAN L38694-001
Before removing the transfer board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the display panel (see Display panel on page 25).
5. Remove the WWAN module (see WWAN module on page 31).
Remove the transfer board:
1. Release the security bar (1) on the display panel cable, and then disconnect the display panel cable from
the transfer board.
2. Release the ZIF connector (2) to which the transfer board cable is connected, and then disconnect
the transfer board cable from the transfer board.
34 Chapter 5 Removal and replacement procedures