HP EliteBook 820 G4 - Инструкция по эксплуатации - Страница 72

System board

NOTE:

All system board spare part kits include replacement thermal material.

All system boards use the following part numbers:

xxxxxx-001: Non-Windows operating systems

xxxxxx-601: Windows operating system

Description

Spare part number

System board, includes Intel i7-7600U

914274-xxx

System board, includes Intel i7-7500U

914273-xxx

System board, includes Intel i5-7300U

914272-xxx

System board, includes Intel i5-7200U

914271-xxx

System board, includes Intel i3-7100U

914270-xxx

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 bottom cover (see 

Bottom cover on page 30

).

5.

Remove the battery (see 

Battery on page 35

).

6.

Remove the following components:

a.

Keyboard (see 

Keyboard on page 46

)

b.

Hard drive (see 

Hard drive on page 36

)

c.

Solid-state drive (see 

Solid-state drive on page 38

)

When replacing the system board, be sure to remove the following components from the defective system 
board and install on the replacement system board:

●

Memory modules (see 

Memory modules on page 40

)

●

WLAN/Bluetooth module (see 

WLAN/Bluetooth combo card on page 42

)

●

WWAN module (see 

WWAN module on page 44

)

●

Heat sink/fan assembly (see 

Heat sink/fan assembly on page 56

)

Remove the system board:

1.

Position the computer upright and open.

Component replacement procedures

61