System board
NOTE:
The system board spare part kit includes a graphics subsystem with UMA memory and replacement
thermal material.
Description
Spare part number
Equipped with an Intel Celeron i3-3855U 2.00-GHz processor (1600-MHz FSB, 3.00-MB L3 cache, dual
core, 15 W) and a non- Windows 8 Professional operating system
846922–001
Equipped with an Intel Celeron i3-3855U WIN 2.00-GHz processor (1600-MHz FSB, 3.00-MB L3 cache,
dual core, 15 W)
846922-601
Equipped with an Intel Pentium 4405U 2.00-GHz processor (1600-MHz FSB, 3.00-MB L3 cache, dual core,
15 W)
846993-001
Equipped with an Intel Pentium 4405U WIN 2.00-GHz processor (1600-MHz FSB, 3.00-MB L3 cache, dual
core, 15 W)
846993-601
Equipped with an Intel Core i3-6100U 2.30-GHz processor (800-MHz FSB, 3.00-MB L2 cache, dual core,
15 W)
846994–001
Equipped with an Intel Core i3-6100U WIN 2.30-GHz processor (800-MHz FSB, 3.00-MB L2 cache, dual
core, 15 W)
846994–601
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
), and then remove the following components:
a.
Bottom cover (see
)
b.
Hard drive (see
)
c.
WWAN module (see
)
d.
Keyboard/top cover (see
NOTE:
When replacing the system board, be sure that the fan/heat sink assembly (see
) and the RTC battery (see
) are removed from the defective
system board and installed on the system board.
Remove the system board:
1.
Disconnect the power connector cable (1) from the system board.
2.
Disconnect the WLAN antenna cables (2) from the terminals on the WLAN module.
NOTE:
The #1/white WLAN antenna cable connects to the WLAN module #1/Main terminal. The #2/
black WLAN antenna cable connects to the WLAN module #1/Aux terminal.
3.
Disconnect the display panel cable (3) from the system board.
4.
Disconnect the speaker cable (4) from the system board.
Component replacement procedures
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