a. Service door (see Service door on page 30).
b. Battery (see Battery on page 31).
c. Base enclosure (see Base enclosure on page 33).
d. Hard drive(s) (see Hard drive(s) and internal frame on page 33).
e. Fans (see Fan on page 54).
f. Heat sink (see Heat sink on page 56).
Remove the discrete graphics board:
▲
Remove the two screws (1) securing the board to the system board, and then remove the discrete
graphics board (2).
Reverse this procedure to install the discrete graphics board.
Display LED board
Description Spare part number
Display LED board
Before removing the display LED board, follow these steps:
1. Turn o 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
60 Chapter 6 Removal and replacement procedures for authorized service provider parts
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