HP EliteBook Folio 9480m Maintenance and Service Guide - Page 71

System board, When replacing the system board

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System board NOTE: The system board spare part kit includes replacement thermal material. All system boards use the following part numbers: xxxxxx-001: Windows 7 or non-Windows operating systems xxxxxx-501: Windows 8.1 Standard operating system xxxxxx-601: Windows 8.1 or Windows 10 operating system Description Intel Core i7-4650U processor Intel Core i7-4600U processor Intel Core i5-4310U processor Intel Core i5-4210U processor Spare part number 769720-xxx 769719-xxx 769718-xxx 769717-xxx 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 on page 29), and then remove the following components: a. Hard drive cover (see Hard drive cover on page 32) b. Hard drive (see Hard drive/SSD drive on page 33) c. Service cover (see Service cover on page 38) d. Fan (see Fan on page 58) e. Keyboard (see Keyboard on page 45) f. Base enclosure (see Base enclosure on page 53) 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: ● SIM (see SIM on page 30, if applicable) ● Memory module (see Memory module on page 39) ● WWAN module (see WWAN module on page 41) ● WLAN module (see WLAN module on page 43) ● Heat sink (see Heat sink on page 62) Remove the system board: 1. Disconnect the following cables: ● (1): Right speaker cable ● (2): Display panel Component replacement procedures 59

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System board
NOTE:
The system board spare part kit includes replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Windows 7 or non-Windows operating systems
xxxxxx-501: Windows 8.1 Standard operating system
xxxxxx-601: Windows 8.1 or Windows 10 operating system
Description
Spare part number
Intel Core i7-4650U processor
769720-xxx
Intel Core i7-4600U processor
769719-xxx
Intel Core i5-4310U processor
769718-xxx
Intel Core i5-4210U processor
769717-xxx
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
on page
29
), and then remove the following components:
a.
Hard drive cover (see
Hard drive cover
on page
32
)
b.
Hard drive (see
Hard drive/SSD drive
on page
33
)
c.
Service cover (see
Service cover
on page
38
)
d.
Fan (see
Fan
on page
58
)
e.
Keyboard (see
Keyboard
on page
45
)
f.
Base enclosure (see
Base enclosure
on page
53
)
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:
●
SIM (see
SIM
on page
30
, if applicable)
●
Memory module (see
Memory module
on page
39
)
●
WWAN module (see
WWAN module
on page
41
)
●
WLAN module (see
WLAN module
on page
43
)
●
Heat sink (see
Heat sink
on page
62
)
Remove the system board:
1.
Disconnect the following cables:
●
(1)
: Right speaker cable
●
(2)
: Display panel
Component replacement procedures
59