System board
Description | Spare part number |
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For use only with computer models with Intel Core processors and WLAN capability | |
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For use only with computer models with Intel Celeron M processors and WLAN capability | |
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For use only with computer models without WLAN capability | |
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Before removing the system 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 32).
5. Remove the following components:
a. Hard drive (see Hard drive on page 33)
b. Memory/WLAN module compartment cover (see Memory module on page 35)
c. Optical drive (see Optical drive on page 39)
d. Switch cover (see Switch cover on page 41)
e. Keyboard (see Keyboard on page 43)
f. Display assembly (see Display assembly on page 47)
g. Base enclosure (see Base enclosure on page 52)
h. Fan assembly (see Fan assembly on page 55)
i. Heat sink (see Heat sink on page 57)
When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:
●Memory module (see Memory module on page 35)
●WLAN module (see WLAN module on page 37)
●RTC battery (see RTC battery on page 54)
●Processor (see Processor on page 59)
●PC Card assembly (see PC Card assembly on page 65)
62 Chapter 4 Removal and replacement procedures
