Description
Spare part number
Equipped with an Intel Core i5-5200U 2.20-GHz (SC turbo up to 2.70-GHz) dual core processor (3.0-GB
L3 cache, 1600-MHz FSB, 15 W), an Intel HD Graphics 5500 UMA graphics memory subsystem, 4.0-GB
of system memory, and the Windows 8 operating system
818131-601
Equipped with an Intel Core i5-5200U 2.20-GHz (SC turbo up to 2.70-GHz) dual core processor (3.0-GB
L3 cache, 1600-MHz FSB, 15 W), an Intel HD Graphics 5500 UMA graphics memory subsystem, 4.0-GB
of system memory, and a non-Windows operating system
818131-001
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 bottom cover (see
Bottom cover on page 27
), and then remove the following components:
a.
Battery (see
Battery on page 37
)
b.
Fan (see
Fan on page 46
)
c.
RJ45 cover (see
RJ45 cover on page 48
)
d.
Security cable slot bracket (see
Security cable slot bracket on page 50
)
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:
●
WLAN module (see
WLAN module on page 31
)
●
Heat sink (see
Heat sink on page 55
)
●
Memory module (see
Memory module on page 33
)
Remove the system board:
1.
Disconnect the following cables from the system board:
●
(1) WLAN antenna cables 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 #2/Aux terminal.
●
(2) Subwoofer cable
●
(3) Power connector cable
●
(4) Hard drive ZIF connector cable
●
(5) TouchPad board ZIF connector cable
●
(6) Keyboard backlight ZIF connector cable
52
Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
