HP EliteBook 650 Maintenance and Service Guide - Page 69

Remove the fan see, When you replace the system board

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Table 6-10 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 ● Intel Core i7-1270P processor, models with WWAN ● Intel Core i7-1265U processor ● Intel Core i7-1265U processor, models with WWAN ● Intel Core i7-1255U processor ● Intel Core i7-1255U processor, models with WWAN ● Intel Core i5-1250P processor, models with WWAN ● Intel Core i5-1245U processor ● Intel Core i7-1245U processor, models with WWAN ● Intel Core i5-1245U processor (Realtek PD USB-C) ● Intel Core i5-1235U processor ● Intel Core i5-1235U processor, models with WWAN ● Intel Core i5-1235U processor (Realtek PD USB-C) ● Intel Core i3-1215U processor ● Intel Core i3-1215U processor, models with WWAN Models with discrete graphics memory ● Intel Core i7-1265U processor, models with WWAN ● Intel Core i5-1255U processor ● Intel Core i5-1255U processor, models with WWAN ● Intel Core i5-1245U processor, models with WWAN ● Intel Core i5-1235U processor Spare part number N21920-xx1 N21918-xx1 N21919-xx1 N21916-xx1 N21917-xx1 N21915-xx1 N21913-xx1 N21914-xx1 N22180-xx1 N21911-xx1 N21912-xx1 N22179-xx1 N21909-xx1 N21910-xx1 N21908-xx1 N21907-xx1 N21921-xx1 N21906-xx1 N21905-xx1 Before removing the system board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 41). 2. Remove the bottom cover (see Bottom cover on page 41). 3. Remove the battery (see Battery on page 51). 4. Remove the fan (see Fan on page 57). 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 43). System board 61

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Table 6-10
System board descriptions and part numbers
Description
Spare part number
System board
(includes integrated processor)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
●
Intel Core i7-1270P processor, models with WWAN
N21920-xx1
●
Intel Core i7-1265U processor
N21918-xx1
●
Intel Core i7-1265U processor, models with WWAN
N21919-xx1
●
Intel Core i7-1255U processor
N21916-xx1
●
Intel Core i7-1255U processor, models with WWAN
N21917-xx1
●
Intel Core i5-1250P processor, models with WWAN
N21915-xx1
●
Intel Core i5-1245U processor
N21913-xx1
●
Intel Core i7-1245U processor, models with WWAN
N21914-xx1
●
Intel Core i5-1245U processor (Realtek PD USB-C)
N22180-xx1
●
Intel Core i5-1235U processor
N21911-xx1
●
Intel Core i5-1235U processor, models with WWAN
N21912-xx1
●
Intel Core i5-1235U processor (Realtek PD USB-C)
N22179-xx1
●
Intel Core i3-1215U processor
N21909-xx1
●
Intel Core i3-1215U processor, models with WWAN
N21910-xx1
Models with discrete graphics memory
●
Intel Core i7-1265U processor, models with WWAN
N21908-xx1
●
Intel Core i5-1255U processor
N21907-xx1
●
Intel Core i5-1255U processor, models with WWAN
N21921-xx1
●
Intel Core i5-1245U processor, models with WWAN
N21906-xx1
●
Intel Core i5-1235U processor
N21905-xx1
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
41
).
2.
Remove the bottom cover (see
Bottom cover
on page
41
).
3.
Remove the battery (see
Battery
on page
51
).
4.
Remove the fan (see
Fan
on page
57
).
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
43
).
System board
61