HP 280 G3 Microtower Business, Руководство по техническому обслуживанию и ремонту, Страница: 45 / 116

System board
1. Prepare the computer for disassembly ( Preparation for disassembly on page 15 ).
2. Remove the access panel ( Access panel on page 16 ).
3. Remove the front bezel ( Front bezel on page 21 ).
4. Remove the fan duct ( Fan duct on page 32 ).
5. Remove the fan sink ( Fan sink on page 33 ).
6. Remove the optical drive ( Optical drive on page 23 ).
7. Remove the drive cage ( Hard drive on page 25 ).
8. 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 28 )
● WLAN module ( WLAN module on page 26 )
● M.2 solid-state drive ( Solid-state drive module on page 27 )
● Expansion cards ( Expansion card on page 17 )
● Processor ( Processor on page 34 )
9. Disconnect the remaining cables from the system board, noting their locations for reconnection.
10. Remove the eight Torx screws (1) that secure the system board to the chassis.
11. Lift the front of the board up, and then pull it toward the front and out of computer (2).
To install the system board, reverse the removal procedure.
NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS.
CAUTION: When reconnecting the cables it is important that they be positioned correctly.
System board 37