HP Elite c645 14 inch G2 Chromebook Maintenance and Service Guide - Page 52

Display cable ZIF, Keyboard cable ZIF

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Table 5-14 System board descriptions and part numbers (continued) Description For use in models without WWAN: ● AMD Ryzen 7-5825C processor and 16 GB of system memory ● AMD Ryzen 5-5625C processor and 16 GB of system memory ● AMD Ryzen 5-5625C processor and 8 GB of system memory ● AMD Ryzen 5-5625C processor and 8 GB of system memory and 64 GB of eMMC storage ● AMD Ryzen 3-5425C processor and 8 GB of system memory and 64 GB of eMMC storage For use in models with WWAN: ● AMD Ryzen 7-5825C processor and 16 GB of system memory ● AMD Ryzen 5-5625C processor and 16 GB of system memory ● AMD Ryzen 5-5625C processor and 8 GB of system memory ● AMD Ryzen 5-5625C processor and 8 GB of system memory and 64 GB of eMMC storage ● AMD Ryzen 3-5425C processor and 8 GB of system memory and 64 GB of eMMC storage Spare part number N12896-001 N12893-001 N12895-001 N12894-001 N12892-001 N22020-001 N22017-001 N22018-001 N22019-001 N22016-001 Before removing the system board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 28). 2. Remove the bottom cover (see Bottom cover on page 28). 3. Remove the battery (see Battery on page 30). 4. Remove the fan (see Fan on page 37). When you replace the system board, be sure to remove the following components (as applicable) from the defective system board and install them on the replacement system board: ● Solid-state drive (see Solid-state drive on page 31). ● WLAN module (see WLAN module on page 33). ● Heat sink (see Heat sink on page 45). Remove the system board: 1. Disconnect the following cables from the system board: ● Camera cable (ZIF) (1) ● Display cable (ZIF) (2) ● Left speaker cable (3) ● Card reader cable (4) ● Keyboard cable (ZIF) (5) ● Touchpad cable (ZIF) (6) System board 47

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Table 5-14
System board descriptions and part numbers
(continued)
Description
Spare part number
For use in models without WWAN:
●
AMD Ryzen 7-5825C processor and 16 GB of system memory
N12896-001
●
AMD Ryzen 5-5625C processor and 16 GB of system memory
N12893-001
●
AMD Ryzen 5-5625C processor and 8 GB of system memory
N12895-001
●
AMD Ryzen 5-5625C processor and 8 GB of system memory and 64 GB of eMMC storage
N12894-001
●
AMD Ryzen 3-5425C processor and 8 GB of system memory and 64 GB of eMMC storage
N12892-001
For use in models with WWAN:
●
AMD Ryzen 7-5825C processor and 16 GB of system memory
N22020-001
●
AMD Ryzen 5-5625C processor and 16 GB of system memory
N22017-001
●
AMD Ryzen 5-5625C processor and 8 GB of system memory
N22018-001
●
AMD Ryzen 5-5625C processor and 8 GB of system memory and 64 GB of eMMC storage
N22019-001
●
AMD Ryzen 3-5425C processor and 8 GB of system memory and 64 GB of eMMC storage
N22016-001
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
28
).
2.
Remove the bottom cover (see
Bottom cover
on page
28
).
3.
Remove the battery (see
Battery
on page
30
).
4.
Remove the fan (see
Fan
on page
37
).
When you replace the system board, be sure to remove the following components (as applicable) from the
defective system board and install them on the replacement system board:
●
Solid-state drive (see
Solid-state drive
on page
31
).
●
WLAN module (see
WLAN module
on page
33
).
●
Heat sink (see
Heat sink
on page
45
).
Remove the system board:
1.
Disconnect the following cables from the system board:
●
Camera cable (ZIF)
(1)
●
Display cable (ZIF)
(2)
●
Left speaker cable
(3)
●
Card reader cable
(4)
●
Keyboard cable (ZIF)
(5)
●
Touchpad cable (ZIF)
(6)
System board
47