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Removal and replacement procedures
System board
Description
System board (includes 1024 MB of graphics subsystem memory and replacement thermal material) 573758-001
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
5. Remove the following components:
a. Optical drive (see
b. Mass storage device (see
c. TV tuner module (see
d. Memory module (see
e. WLAN module (see
f. Switch cover (see
g. Keyboard cover (see
h. Keyboard (see
i. Speaker assembly (see
j. Display assembly (see
k. Top cover (see
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:
■
RTC battery (see
■
Fan/heat sink assembly (see
■
Processor (see
4–48
"Battery" on page
"Optical drive" on page
"Mass storage device" on page
"TV tuner module" on page
"Memory module" on page
"WLAN module" on page
"Switch cover" on page
"Keyboard cover" on page
"Keyboard" on page
"Speaker assembly" on page
"Display assembly" on page
"Top cover" on page
"RTC battery" on page
"Fan/heat sink assembly" on page
"Processor" on page
4-63)
4-7).
4-8)
4-10)
4-13)
4-16)
4-17)
4-21)
4-23)
4-27)
4-33)
4-34)
4-41)
4-15)
4-60)
Spare part number
Maintenance and Service Guide
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