HP EliteDesk 705 G2 Maintenance and Service Guide - Page 70

System board - sff bios

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System board NOTE: All system board spare part kits include replacement thermal material. NOTE: System board appearance may vary. 1. Prepare the computer for disassembly (Preparation for disassembly on page 19). 2. Remove the access panel (Access panel on page 20). 3. Rotate the small baffle into the upright position (Small baffle on page 47). 4. Remove the fan baffle (Fan baffle on page 48). 5. Rotate the drive cage to its upright position. 6. When replacing the system board, make sure the following components are removed from the defective system board and installed on the replacement system board: ● Memory modules (Memory on page 23) ● Expansion cards (Expansion card on page 26) ● Heat sink (Fan sink on page 55) ● Processor (Processor on page 56) 7. Disconnect all cables connected to the system board, noting their location for reinstallation. 8. Remove the eight Torx T15 screws that secure the system board to the chassis. 9. Slide the system board toward the front of the computer to disengage the I/O panel, and then lift the system board out of the computer. When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis, and then align the board with the chassis screw holes. NOTE: When replacing the system board, you must change the chassis serial number in the BIOS. 60 Chapter 4 Removal and replacement procedures - small form factor (SFF) chassis

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System board
NOTE:
All system board spare part kits include replacement thermal material.
NOTE:
System board appearance may vary.
1.
Prepare the computer for disassembly (
Preparation for disassembly
on page
19
).
2.
Remove the access panel (
Access panel
on page
20
).
3.
Rotate the small
baffle
into the upright position (
Small
baffle
on page
47
).
4.
Remove the fan
baffle
(
Fan
baffle
on page
48
).
5.
Rotate the drive cage to its upright position.
6.
When replacing the system board, make sure the following components are removed from the defective
system board and installed on the replacement system board:
●
Memory modules (
Memory
on page
23
)
●
Expansion cards (
Expansion card
on page
26
)
●
Heat sink (
Fan sink
on page
55
)
●
Processor (
Processor
on page
56
)
7.
Disconnect all cables connected to the system board, noting their location for reinstallation.
8.
Remove the eight Torx T15 screws that secure the system board to the chassis.
9.
Slide the system board toward the front of the computer to disengage the I/O panel, and then lift the
system board out of the computer.
When reinstalling the system board,
first
insert the I/O panel back into the slots in the rear of the chassis, and
then align the board with the chassis screw holes.
NOTE:
When replacing the system board, you must change the chassis serial number in the BIOS.
60
Chapter 4
Removal and replacement procedures – small form factor (SFF) chassis