System information

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Heat sink (see
Heat sink on page 50)
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WLAN module see (WLAN module).
Remove the system board:
1. Remove the following cables:
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Right speaker cable (1)
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Power button board cable (2)
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Display panel cable (3)
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Keyboard connector cable (4)
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TouchPad cable (5)
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Keyboard backlight cable (6)
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Hard drive cable (7)
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USB/audio board connector cable (8)
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Power connector cable (9)
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USB/audio board cable (10)
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RTC battery cable (11)
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Left speaker and subwoofer cable (12)
2. Remove the 4 Phillips PM2.5×3.5 screws (1).
48 Chapter 4 Removal and replacement procedures