System board
Description Spare part number
System board (includes replacement thermal material) 698093-501
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery), and then remove the following components:
a. Hard drive (see
Hard drive)
b. Optical drive (see
Optical drive)
c. WLAN module (see
WLAN module)
d. Keyboard (see
Keyboard)
e. Top cover (see
Top cover)
NOTE: 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)
●
RTC battery (see
RTC battery)
●
Fan/heat sink assembly (see
Fan/heat sink assembly)
● Processor (see
Processor)
54 Chapter 4 Removal and replacement procedures
This manual downloaded from http://www.manualowl.com
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