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LED board
Description Spare part number
LED board (includes cable and Mylar cover) 499209-001
Before removing the LED board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off 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 first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 46).
5. Remove the following components:
a. Primary hard drive (see
Primary hard drive on page 55)
b. Optical drive (see
Optical drive on page 60) or secondary hard drive (see Secondary hard
drive on page 67)
c. Switch cover and keyboard (see
Switch cover and keyboard on page 62)
d. Display assembly (see
Display assembly on page 73)
e. Top cover (see
Top cover on page 79)
Remove the LED board:
1. Release the ZIF connector to which the LED board cable is connected and disconnect the LED
board cable (1) from the system board.
2. Release the LED board cable (2) from the base enclosure. The LED board cable is attached to
the base enclosure with double-sided tape.
82 Chapter 4 Removal and replacement procedures