Reverse this procedure to install the infrared sensor board cable.
Infrared sensor board
NOTE: The infrared sensor board spare part kit does not include the infrared sensor board cable. The infrared
sensor board cable is available using spare part number 942832-001.
Description Spare part number
Infrared sensor board 942831-001
Before removing the infrared sensor 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 bottom cover (see Bottom cover on page 29).
5. Disconnect the battery cable from the system board (see Battery on page 31).
6. Remove the right fan (see Fans on page 35).
Remove the infrared sensor board:
1. Turn the right fan upside down.
2. Detach the infrared sensor board from the right fan. (The infrared sensor board is attached to the right fan
with double-sided adhesive.)
Reverse this procedure to install the infrared sensor board.
38 Chapter 5 Removal and replacement procedures
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