HP ProBook 450 G8 Maintenance And Service Manual page 54

Table 5-13 System board descriptions and part numbers
Description
System board (includes integrated processor)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
System board for use in models with discrete graphics
Intel Core i7-1185G7 processor
●
Intel Core i7-1165G7 processor
●
Intel Core i5-1135G7 processor
●
● Intel Core i3-1115G4 processor
System board for use in models with UMA graphics
● Intel Core i7-1185G7 processor
● Intel Core i7-1165G7 processor
Intel Core i5-1135G7 processor
●
Intel Core i5-1135G7 processor (WWAN models)
●
Intel Core i3-1115G4 processor
●
● Intel Core i3-1115G4 processor (WWAN models)
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly
2. Remove the bottom cover
3. Remove the battery (see
4. Remove the fan (see
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:
● Memory modules (see
● WLAN module (see
WWAN module (see
●
Solid-state drive (see
●
Heat sink (see
●
Remove the system board:
1. Disconnect the following cables from the system board:
● Antenna cables from the WLAN module (select products only) (1)
Power connector cable (2)
●
46 Chapter 5 Removal and replacement procedures for authorized service provider parts
(Preparation for disassembly on page
(Bottom cover on page
Battery on page
Fan on page 41).
Memory modules on page
WLAN module on page
WWAN module on page
Solid-state drive on page
Heat sink on page 43).
30).
31).
33).
34).
36).
38).
Spare part number
M21690-xx1
M21692-xx1
M21688-xx1
M21684-xx1
M21706-xx1
M21708-xx1
M21702-xx1
M21704-xx1
M21696-xx1
M21698-xx1
30).