HP Stream x360 Maintenance and Service Guide - Page 50

System board, Keyboard ZIF cable

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System board NOTE: The system board spare part kit includes replacement thermal material. Description Spare part number Intel Celeron N2840 processor, 2 GB memory, 32G eMMC, no WWAN support ,and the Windows 8.1 Standard operating system (includes replacement thermal material) 794299-501 Intel Celeron N2840 processor, 2 GB memory, 32G eMMC, WWAN support, and the Windows 8.1 Standard 794300-501 operating system (includes replacement thermal material) 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 28). 5. Remove the battery (see Battery on page 40). 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: ● WLAN module (see WLAN module on page 33) ● WWAN module (see WWAN module on page 35) ● Thermal plate Remove the system board: 1. Disconnect the following cables from the system board: (1): WWAN wireless antennas (2): Power connector cable (3): WLAN wireless antenna (4): Keyboard ZIF cable (5): Webcam cable (6): Display cable (7): Power button board ZIF cable (8): TouchPad board ZIF cable (9): Speaker cable 44 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts

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System board
NOTE:
The system board spare part kit includes replacement thermal material.
Description
Spare part number
Intel Celeron N2840 processor, 2 GB memory, 32G eMMC, no WWAN support ,and the Windows 8.1
Standard operating system (includes replacement thermal material)
794299-501
Intel Celeron N2840 processor, 2 GB memory, 32G eMMC, WWAN support, and the Windows 8.1 Standard
operating system (includes replacement thermal material)
794300-501
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 bottom cover (see
Bottom cover
on page
28
).
5.
Remove the battery (see
Battery
on page
40
).
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:
●
WLAN module (see
WLAN module
on page
33
)
●
WWAN module (see
WWAN module
on page
35
)
●
Thermal plate
Remove the system board:
1.
Disconnect the following cables from the system board:
(1):
WWAN wireless antennas
(2):
Power connector cable
(3):
WLAN wireless antenna
(4):
Keyboard ZIF cable
(5):
Webcam cable
(6):
Display cable
(7):
Power button board ZIF cable
(8):
TouchPad board ZIF cable
(9):
Speaker cable
44
Chapter 5
Removal and replacement procedures for Authorized Service Provider parts