HP EliteBook 745 Maintenance and Service Guide - Page 73

System board, Memory modules see

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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 Table 6-13 System board descriptions and part numbers Description System board with integrated AMD Ryzen 7 PRO 3700U processor System board with integrated AMD Ryzen 5 PRO 3500U processor System board with integrated AMD Ryzen 3 PRO 3300U processor Spare part number L62296-xx1 L62295-xx1 L62294-xx1 Before removing the system board, follow these steps: 1. Prepare the computer for disassembly (Preparation for disassembly on page 34). 2. Remove the bottom cover (see Bottom cover on page 34). 3. Remove the battery (see Battery on page 46). 4. Remove the keyboard (see Keyboard on page 42). 5. Remove the RJ-45 board and bracket (see RJ-45 board with bracket on page 53). 6. Remove the fan (see Fan on page 61). When replacing the system board, be sure to remove the following components (as applicable) from the defective system board and install on the replacement system board: ● Solid-state drive (see Solid-state drive (SSD) on page 36) ● Memory modules (see Memory modules on page 37) ● WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 38) ● WWAN module (see WWAN module on page 40) ● Heat sink (see Heat sink assembly on page 48) Remove the system board: 1. Position the computer upright and open as far as possible. Component replacement procedures 63

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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
Table 6-13
System board descriptions and part numbers
Description
Spare part number
System board with integrated AMD Ryzen 7 PRO 3700U processor
L62296-xx1
System board with integrated AMD Ryzen 5 PRO 3500U processor
L62295-xx1
System board with integrated AMD Ryzen 3 PRO 3300U processor
L62294-xx1
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly
on page
34
).
2.
Remove the bottom cover (see
Bottom cover
on page
34
).
3.
Remove the battery (see
Battery
on page
46
).
4.
Remove the keyboard (see
Keyboard
on page
42
).
5.
Remove the RJ-45 board and bracket (see
RJ-45 board with bracket
on page
53
).
6.
Remove the fan (see
Fan
on page
61
).
When replacing the system board, be sure to remove the following components (as applicable) from the
defective system board and install on the replacement system board:
●
Solid-state drive (see
Solid-state drive (SSD)
on page
36
)
●
Memory modules (see
Memory modules
on page
37
)
●
WLAN/Bluetooth module (see
WLAN/Bluetooth combo card
on page
38
)
●
WWAN module (see
WWAN module
on page
40
)
●
Heat sink (see
Heat sink assembly
on page
48
)
Remove the system board:
1.
Position the computer upright and open as far as possible.
Component replacement procedures
63