HP EliteBook 850 G7, Maintenance And Service Manual

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Table 6-11 System board descriptions and part numbers (continued)
Description Spare part number
For use in models with UMA graphics memory:
●
Intel Core i7-10810 processor (OSR) M05252-xx1
● Intel Core i7-10710 processor M14258-xx1
● Intel Core i7-10610 processor M05250-xx1
● Intel Core i7-10610 processor (OSR) M05251-xx1
● Intel Core i5-10210 processor M05247-xx1
● Intel Core i5-10310 processor M05248-xx1
● Intel Core i5-10310 processor (OSR) M05249-xx1
● Intel Core i5-10210 processor M05246-xx1
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly ( Preparation for disassembly on page 32 ).
2. Remove the bottom cover ( Bottom cover on page 32 ).
3. Remove the battery (see Battery on page 41 ).
4. Remove the fan (see Fan on page 49 ).
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 Memory modules on page 33 ).
●
WLAN module (see WLAN module on page 36 ).
●
WWAN module (see WWAN module on page 38 ).
●
Solid-state drive (see Solid-state drive on page 40 ).
● Heat sink (see Heat sink on page 50 ).
Remove the system board:
1. Disconnect the following cables from the system board:
● Antenna cables from the WWAN module (select products only) (1)
● Power connector cable (2)
● Camera cable (3)
●
Speaker cable (4)
●
USB cable (ZIF) (5)
●
Display cable (6)
●
Card reader cable (ZIF) (7)
● Antenna cables from the WLAN module (8)
● Touchpad cable (ZIF) (9)
54 Chapter 6 Removal and replacement procedures for authorized service provider parts