10. Slide the system board (3) up and to the left at an angle to remove it.
NOTE: When removing the system board, make note of the location of the I/O bracket (4).
The I/O bracket is available using spare part number M45808-001.
Reverse this procedure to install the system board.
Heat sink
To remove the heat sink, use these procedures and illustrations.
Table
5-7 Heat sink descriptions and part numbers
Description Spare part
number
Heat sink (includes replacement thermal material) M44241-001
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 28).
2. Remove the top cover/keyboard (Top cover/keyboard on page 28).
3. Disconnect the battery cable from the heat sink (Speakers on page 33).
4. Remove the system board (System board on page 37).
Remove the heat sink:
1. Turn the system board upside down with the front toward you.
2. Remove the two Phillips M2.0 × 2.0 broad head screws (1) that secure the heat sink to the system board.
ENWW Component replacement procedures 39
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